SOLUTION MANUAL This page intentionally left blank Engineering Mechanics Statics Third Edition, SI SOLUTION MANUAL Australia · Brazil · Japan · Korea · Mexico · Singapore · Spain · United Kingdom · United States Engineering Mechanics: Statics, Third Edition, SI Andrew Pytel and Jaan Kiusalaas SI Edition prepared by Ishan Sharma Publisher, Global Engineering: Christopher M. Shortt © 2010, 1999 Cengage Learning ALL RIGHTS RESERVED. No part of this work covered by the copyright herein may be reproduced, transmitted, stored or used in any form or by any means— graphic, electronic, or mechanical, including but not limited to photocopying, recording, scanning, digitizing, taping, Web distribution, information networks, information storage and retrieval systems, or in any other manner—except as many be permitted by the license terms herein. 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For your course and learning solutions, visit www.cengage.com/engineering. Purchase any of our products at your local college store or at our preferred online store www.ichapters.com. Image Permission Manager: Don Schlotman Senior First Print Buyer: Doug Wilke This page intentionally left blank Contents 1 Chapter 1 Introduction to Statics Chapter 2 Basic Operations with Force Systems 25 Chapter 3 Resultants of Force Systems 67 Chapter 4 Coplanar Equilibrium Analysis 97 Chapter 5 Three-Dimensional Equilibrium 193 Chapter 6 Beams and Cables 231 Chapter 7 Dry Friction 303 Chapter 8 Centroids and Distributed Loads 349 Chapter 9 Moments and Products of Inertia of Areas 423 Chapter 10 Virtual Work and Potential Energy 469 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. Chapter 1 Rounding off to four significant digits 1 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. 2 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. 3 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. 4 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. 5 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. 6 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. N N N N N N N Km/h Km/h Km/h Km/h 7 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. 8 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. m m m m m N N N 9 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. N N N NN N N N 10 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. N N 11 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. N N N 12 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. N N m m 13 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. N m m/s 14 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. N N N N N 15 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. N N N N N N N N 16 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. N N 17 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. 18 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. 19 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. m mm mm -30 -40 -20 40 20 10 N 20 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. cm cm cm cm cm 21 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. m m N N N N 22 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. m 23 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. 24 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. Chapter 2 1666.1 N 1217.8 N 2063.7 N 1196.6 N 25 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. 26 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. 1 1m 3000 N 1934.6 N 2500 N 1337.9 N 1500 N 2333.5 N 27 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. 28 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. 90 N 120 N 0.1 m 150 N 0.2 m 0.18-a 0.03996 11.3° 0.2 0.2 11.3° 11.3° 203.5 N 150 170 N 29 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. 270j 0.7074 270 + 277.83 277.83 + 270 0.8004 360 + 370.44 547.83 N 912.6 N 50 = 250 253.55 N + 253.55 0 = 250 396.4 N 30 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. 31 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. 800 257.12 N 800 -400 106.42 N 600 400 800 -1639.23 N 20 m 257.12 106.42 1639.23 20 32 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. 3000 1119 N 60 m 60 33 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. 1000 mm 300 N 600 mm 300 mm 34 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. 90 N 360 mm 45 N 150 mm 360 150 0 45 90 0 35 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. 360 mm 390 mm = (45i + 90j) 0.4 150 mm 0.4 m 80 N·m 90 N 120 N 120 mm 36 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. 3m 5m 4m 2.598m 2.402 31000 N 5m 30079 N 37 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. 38 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. =100 =100 -1.5i + 2j - 4k 4.717 4 m 4 39 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. 1.5 m -1.5 0 0 -31.8 42.4 -84.8 1 m 0 0 F = -600k N -600 40 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. 80 80 -273.85 -110.00j N 0 154.27 -61.284 -110.00 51.423 m m N·m 41 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. m m 42 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. m 9m N N m N·m m N·m 43 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. N·m N·m 3.464m 4m 2m 375 N 1m 3 44 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. 45 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. m m N N·m 450 450 = 27153 N · mm 46 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. -0.12j - 0.04k N 0.12649 -0.04i + .04k N 0.04 -0.04i + .04k m 0.04i m 0.04 0.04 0.12649 -0.12j - 0.04k 0.12649 0.04 0.12649 0.12 -0.04 0.12 -0.04 0.06071 0.12649 0.12649 N N N 47 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. N m N·m m N·m 48 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. N N m m N·m 4m 4m 4.8m 4.8m 6m N·m 49 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. 720 mm 540 mm 180 mm 180 mm N N Dimensions in mm 450i - 59.42j mm 270i + 252.35j mm 450 59.42 0 270 252.35 0 1188.6-5047=-6235.6 N · m 6235.6 N · mm 50 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. 2i + 4j + 5k N 3k -3 -3 m 3 3 3 164.4 N · m 3m 2.298 N 3 2.298 m (2.298) 164.4 N · m 51 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. N·m N·m N·m 3m 5m 4m N N·m N N·m N·m N·m N m N 3m 5m N·m N·m N·m 3m 1.8 m 45 N N·m N·m 52 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. N·m N·m 6000 N · mm 4200 N · mm 6600 53 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. AC = 120j - 120k mm and AB = -180i + 120j 0 120 -120 480i + 720j + 720k mm2 -180 120 0 480i +720j + 720k 1125.6 2814.24i +4222.00j + 4222.00k N · mm 54 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. 30 N 480 mm 50 N 15000 N · mm 50 N 30 N N N N =-30(480) =-14400 N · mm N = (720j + 480k) 36000k - 24000j N · mm -15000j N · mm N·m N·m N·m N·m 55 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. N·m 60R 60R (-30Ri - 51.9615Rk) = 0 =108000i - 30R = 0 108000 51.9615R = 0 900 N 93533 N · mm 56 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. 204.6 N 13500 N·mm 66 mm 75 N 204.6 N 204.6 N 75 N 279.6 N 180 mm 75 N 75(180)=13500N·mm 13500/66 = 204.6 N 75-N 13500 279.6N 204.6 N 57 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. N 6300k N · mm N 600 -300 58 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. N N·m m N N·m 59 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. N (300i + 150j - 120k) mm 300 150 -120 N N 564000 N·mm 1105515 N·mm 49 130 15.75i -18.77j +42.43 N 49 =130 41.78i - 49.79j + 112.58k N·m 60 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. -1.350 1.609 1.400 15.75 -18.77 42.43 94.55i + 79.33j N·m N·m m N·m N 61 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. 62 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. 1500 N·mm -90i-60j+150k 180i - 60j mm 34200 180 -60 -120j+150k N 36900 0 -90 -60 150 0 -120 150 m N N·m N·m N·m N·m 63 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. N N N 200(-1200) + 100(9000) + 250(6000) = 0 mm). (-12000i + 9000j + 6000k) 12000i + 9000j + 6000k = 0 9000 = 0 36 mm 12000 = 0 48 mm 36 48 6000 = 0 (-36 mm, -48 mm, 0) 64 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. 150mm 100 N 120mm 240 N N N N N N N N 65 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. N·m N m N·m N·m N·m 66 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. Chapter 3 N N N·m N N N·m N N N·m N N N·m N N N·m N N N·m 67 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. 17280 N·mm 770 N 17280 N·mm 1109i - 750j N 117 mm 68 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. 3 3 3 3 3 3 0.7019 1.928 -2.298 0 -1.928 0 0 1200 -2.298 3 m 3 3 3 0 0 -2000 1000K) 3 1.072 1200k) 3 3 3 m m 3 3 1000 3 1200 2200) = -200 N 2200) = 1200 N 1000 1200 1000 69 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. 2250i + 122j N·mm -50 40 0 (240j - bk) x Q = -18000j 240 = -18000j 50 a = 300 mm -50b 70 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. N N·m N·m N·m 71 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. 300 N N·m (a) m N m (b) 72 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. (c) (d) N 800 N 1000 N 600 N N·m N N m N N N N 73 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. N N N N 74 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. N N·m m m N 75 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. N N N N → m m m N·m N, N, N 76 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. 300 N 5m N, N 5m 50 N m m N m m 77 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. 78 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. N N N N, N N N N; N; -200i + 440k (-200)2+4402 200i + 150j -32k 2002 + 152 + (-320)2 N N N 79 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. N m m N N 12(200) 12(150) 150 mm (150)- 200 mm N; N; 80 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. N (50)+ 50 150 50 (1000) 150 42 mm 106 mm (106mm, 42mm, 0) N N m m m, m, 81 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. N N m) N m N N N 82 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. N·m N·m 83 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. 130(0.7416) = 96.4 N 96.4 N N/m N/m 6m 8m 84 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. N m N m N m N m 85 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. 86 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. m N/m2 N/m2 N N N N/m2 N N m N m m m) 8m 5m 312 N/m2 499 N/m2 87 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. N m N m N m m 750 N/m2 467 N/m2 N N N N N N m N m, 88 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. N N N N N N·m 89 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. 90 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. N 720 N N N N m m m m m N/m N/m 8m N m m N m N m m N N·m 91 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. N N·m N·m N·m N·m N·m N·m N·m m m N N·m m, m, 92 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. N (20) (30) (20) (30) (60) (20) (60) (20) 500i + 800j - 300k 5002 + 8002 + (-30)2 N N 93 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. N -3939i - 6303.2j + 2363.4k + N N N·m N·m N; N·m N·m N; N·m N N N 94 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. 95 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. 96 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. Chapter 4 97 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. 300 mm 900 mm 600 mm 45N 540 mm 2000 N 3m 3m 3m 3m 2000 N 3m 3m 2000 N 3m 3m 2000 N 98 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. 90 N·m 0.5m 1m 90 N·m 0.5m 1m 99 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. 60mm 180mm 240 mm 60 mm 180 mm 60 N 100 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. 400 N 1.5 m 1.5 m 0.5 m 1.5 m 400 N 1m 1.5 m 1m 101 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. 600 179.3 N 5754 N·mm 102 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. 5 6400 - 4.16T (7.5) 1600(4) 7.52 + 52 5 2 1600 7.5 + 52 7.5 0.5547T 7.52 + 52 2720 N; 6400 - 4.16(2720) 4915.2 N·m -4915.2 N·m 3863.3 N 103 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. 817.5 654 N 3000 (7.44) (4.56) 3000 - N 0 58099 N 104 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. 3m 3m 150 N 43.3 150 43.3 N 150 N 3000 N 2700 N 1200 N/m 2.25 m 3m 4.5 m 105 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. 720 mm 180 mm 180 106 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. m 3 7380 N 29250 N 3 7380 N 7.5 8.25 4.625 m 10.5 6.45 7.40 4.5 4.625 4.5 4.5 5.875 7.40 4.5 6.45 32074 N 4.5 7.40 24934 N 107 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. 3637.3 N 2300 2300 N 2000 N 2000 2000 N - (2309.4 1154.7 0.5773 2000 N 2000 N 108 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. 109 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. 110 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. 1500(9.81) = 14715 N (1.1) 1.1m (4.5) = 0 8847.8 N 1.5m 3m 111 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. 1650 N 20(9.8) = 196.2 (1650 (1650 98.1 2200 112 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. 825 N 2160 mm 825 412.5 N 462.7 N 1177.2+825 = 619.9 N 113 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. 114 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. 5.5 + 2 = 7.5 30(6)(9.81) =1765.8 N 2.75 12(6)(9.81) =706.32 N 1681.9 N 4.75 4.75 1226.25 N m m m m m m m 2207.25 N 735.75 N m m 2943 2207.25 N 115 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. 1743.6 N 6744.4 1590.3 N 290.9 N 6000 N 0.75 m 2941.8 N 6000 N 1.5m 11772 - 13734 = 0 13734 N 11772 N =23348.3 N 0.75 m 3.5m 116 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. m m N N/m m N m N/m m m N/m N N N m N N N m m N m m N·m N·m N 117 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. 118 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. m m N m m N N m kN kN 119 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. 120 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. 8 8 8 8 N N m N N N m N m 121 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. mm 40 120 100 120 500 N 20 20 60 80 40 20 20 122 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. 1000 N 1000 N 150 mm 22500 N·mm 22500 N·mm 480 mm 360 mm 240 mm 360 mm 240 mm 123 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. 9 9 m 1000 N·m 1000 N·m 124 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. 12 N 12 N 125 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. 480mm 750 N 480mm 150 mm 300 N 300 N 0.6m 2m 0.6m 1m 600 N 0.6m 2m 0.6m 1m 6000 N 126 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. 127 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. 128 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. 129 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. 3m 4m 3m 2m 6m (2) (6) (3) (3) (3) (3) (4) (4) 130 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. 131 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. 132 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. 390 mm 330 mm 210 mm 120mm 125 N 9000 N 9000 3000 N 1000 N 1000 N 133 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. 1103.6 N 981 N 981 = 0 4.5 m 122.6 N 981 N 981 981 981 134 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. 1.5 m 1m 1.5 m 270(9.81) = 2648.7 N 1m 150(9.81) = 1471.5 N 3 1728.7 N 1471.5 N 1471.5 1m 1m 1 1920.9 N 2.145 m 2.145 m) 1471.5 N 3m 2.145m 1m 135 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. 18000 N 3m 3m 27000 2m 10m meters 9000 N 136 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. 18000 N 3m 3m 9000 N 9000 N 4 4 3m (3) 4m 4m 75 N 720 mm 112.5 mm 360mm 165mm 90mm 90 693.75 N 165 1513.6 N 137 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. Meters 0.6 2 2.5 1 2.5 2 313.92 N 0.6 0.6 138 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. 139 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. 1913.1 = 0 956.55 833.9 N 147.2(4) + 833.9(3) + 932(2) (4) 8 (2) 338 N 1 4 932 2 4 m 618.55 N =833.9 932 N 147.2 N 833.9 - 338 = 370 N 932 - 618.55 = 313.45 N 833.9 N 932 N 140 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. 141 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. 2m 80 N 5m 5m 4.5m 3m 3m 2m 80 N 142 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. 80 N 80 100 N 200 N 180 N 4m 2m 3m 3m 3m 240 N N N N 143 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. 1620 mm 900 mm 190 N 1440mm 279 N 190 N 1620mm 900 mm 93409 N·mm 300 mm 90mm 90mm 1000 N 1462 N 1000 = 0 1462 90 500(90) 1462 N 500 N (1462 (300) = 0 4080 N 144 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. 145 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. mm 3180 1440 12500 N 240 780 240 25000 N 12500(247)-25000(1440+3180+4)+ (780) = 0 158150 N 158150 N 3000 N (158150) 12500 = 0 135600 N (158150) 12500 = 0 30530 N 450 150 750 900 3000 N 450 150 600 1500 146 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. 147 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. 100 N 90 mm (18)-100(90) = 0 500 N 100 N 500 783 N 148 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. 1 1 1 1800 A = 13435.4 N; C= -11635.4 N; and E = 6717.7 N 1m 1800 N A = 13435 N; C= 11635 N; and E = 6718 N 149 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. 18mm 36mm 114mm 40 N 60mm 60 18 96 40(114) = 0 253.3 N 253.3 = 0 422.2 N 150 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. mm 45 mm 90 mm 45mm 30mm 135mm (135) (30) = 0 (45) - P(135) = 0 151 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. 60 36 (30)-180P] 150 36 (60) = 0 (60) 30 36 mm 152 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. mm 630 50000 N·mm 810 360 360 360 29.4 N 0.2 m 1000N 1.25 m 0.3m 1000 N 0.25 m 0.2165m 0.25 m 0.25 m 0.6 m 153 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. 0.25 0.2165 m 0.2165 0.6 49.84° 49.84°)(0.25) 6714 N 600 N 195 mm 135 mm 195 mm 600 848.5 N 848.5 600 N 154 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. 155 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. 156 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. 120 mm 150mm 120 mm 120 - 105 = 15mm 90mm 15 58.09 157 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. 6 m m 6 3m 3 3m 1569.6 = 0 1596.6 1827 160(9.81) = 1569.6 N 1827 N 1630.5 N 158 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. 392.4 N force (630/720) = 28.96° 40(9.81) =392.4 N 720mm 40(9.81) =392.4 N 90 mm -392.4 -392.4 192.4 N 289.4 N 159 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. 160 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. 3m 4m 3m 10000N 6000 N 10000N 6000 N 8800 14087 N = 14087 N -14087 11000 N 10000 11000 11180 N 11180 = 0 6000 N 161 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. 6000 6000 6708.2 N 6708.2 = 0 9000 N 9000 11526 N = 11526 N 8 4 162 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. 163 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. 3 N 4 N N 3000 N N N N N N N N N 164 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. N N N 165 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. 166 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. 167 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. 80(9.81) = 784.8 N 784.8 N 2(2000) 16 2000 N 16 4000 2000 N 0.196 0.64 m 168 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. 169 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. 40000 N ↑ 40000 N -40000 -40000 32985 N 40000 40000 (-32985) -11315 N 40000 N (-11315) (-32985) = 16000 N 170 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. 171 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. N N N 4 2 4 8 N N 8 2m 2m 4m 4m N N 4 N 8 N 2m 6200 N 1.5m 4.5 m 4.5 m 172 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. N 3.5 N 9 N 173 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. 174 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. kN kN kN 175 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. N 4m N 4m N 4m 3m 5m 5 5 N 8 12 12 4 8 4 N N 176 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. N 2m N 2 2 (1.5) = 0 3 N N 2 1.5m N 1.5m N (1.5) = 0 3 N N 2m 2m 1.5m 1.5m 1.5m 1.5m N 2 2 N (1.5 + 3) 2 2 (1.5 +3 + 4.5) - 6000(2) 2 2 4.5Q = 12000 N·m 2P +9Q = 13664 N·m N N 177 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. 560 N 3m 560 N 1.5m 1m 2m 4 N (1.5) = 0 N 2 3 4.5) = 0 N N N kN 178 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. kN kN kN kN kN kN kN kN 179 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. 180 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. N 4m 8 8 8 7 7 4m N 2.5m N 2.5m N N N N 181 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. 182 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. 400 N 2.5 200 N 1.25 2.5 1.25 m 3 360 N 360 N 3 400 = 416 - 400 = 16 N 400 360 360 360 - 228.3 = 131.7 N 200 = 16 + 200 = 216 N 200 360 183 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. 184 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. 185 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. kN 6m 4m 5m 7.5m (4) (2.5) = 0 kN kN 186 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. 3m 2m 450 N·m 450 N·m 1.5m 3m 1m 2m 3 450 N 2 450 N N 3 3 2 2 3 2 N N N N 187 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. 188 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. 196.2 N 20(9.81) = 196.2 N 1m 10(9.81) = 98.1 N 2m 1m 196.2 + N = 0 4 1 130.8 N 196.2(1) - 98.1(2) = 0 N = 196.2 - T = 196.2 - 130.8 = 65.4 N 15(9.81) = 147.15 N 30(9.81) = 294.3 N 3m 6m 441.45 = 0 220.73 N 382.32 N 6 (382.32 147.15(3) - 294.3x = 0 6 189 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. N N N N 2m 2 2 2 N 2m 2m 3m 3m 3 2 4 4 N N N N 240mm 450mm 10(9.81) = 98.1 N 1350mm (450) + (1350) - 98.1(450) = 0 26.6 N 190 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. 180mm 540mm 270mm 270mm 120mm 2000 N 889 N 191 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. 360mm 450mm 240mm 210mm 192 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. Chapter 5 N meters N meters N 193 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. 194 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. N 3m 4m 2.5m 3.5 m 2.5m 2m 660mm 360mm 840mm 200 N 195 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. 196 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. 900 1200 mm 1080 300 N 540 630 630 900 1200 197 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. 540mm 600mm 400 N 720mm 600mm 500 N 1140mm 720mm 300 N 198 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. m m N N 199 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. m m N N·m N 200 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. N N N N 201 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. N N N N N N N N 202 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. m m N N N 203 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. N N m N m 204 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. N·m N N N 205 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. m m m m N m N N N 206 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. 207 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. 400 N 540mm 600mm 400 N (720) = 500(1320) 916.7 N 720mm 400 N 300 = 0 600mm 300 +916.7 = 1216.7 N 500 N 400j +1216.7 N 1840mm 720mm (1140) - 300(1860)]i 300 N 1603038 N·mm = 1603038 N·m 208 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. N meters N N N m N N N N N 209 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. N N N N N m N N N 210 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. 211 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. 212 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. meters N·m N N N N N N N 213 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. N N mm N N N N N N 214 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. m m N m m N m m N N N N N m m m m m m 215 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. m N m N N 216 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. 75 260 mm 200 N 130 25 105 160 210 217 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. 12.2 N 109.5 N N mm N N N N T = 240 N N N N·mm N 12 N·m 218 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. 219 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. 9m 5m 3m 5m N 12m N N 220 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. N N N m m 3m m m 3m m N m N N N N 221 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. N N 222 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. 5m 4m 6m 400 N 400(2) = 0 126.4 N 400 400 126.4 164.2 N 223 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. N N meters N N 224 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. N N N N N N N N N N 9m 2.5m 7.5m 4m 6m 1200 N 6m 1200 N 225 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. N m N 226 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. 227 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. 228 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. 12000 N·m 120mm 210mm 160mm 180mm 180i - 160j - 120k 1082 + (-160)2 + (-12)2 100 149.5 N 210j mm 210 12000j = 0 180i +210j mm 149.5 180 210 12000j = 0 210 229 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. 230 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. Chapter 6 231 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. N N m m N m m N N·m N m m N N N·m 232 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. N m m N m m m m m N N N N·m N N·m N m N N m m N 233 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. N N m N·m N N m N N N·m N·m N·m m N m m N N·m m N·m m N N N·m 234 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. N N N N N 30 mm 28(30) = 840 N·mm N 50 mm N 50 N 50 400 N·mm N 235 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. 236 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. 237 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. 238 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. 239 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. meters N N N N N N·m N N N·m 240 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. N 480 18000 480 mm N 18000 N·mm N 240 mm 240 mm 18000 N·mm 18000 N·mm N 120 mm N N 240 mm (120) = 37.5(120) N·mm N 241 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. 242 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. N N N N m N m N N N m m; N·m 243 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. N N N·m N m m N m N N 244 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. 245 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. 246 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. 247 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. N/m N·m N N·m N N·m N N·m N/m 510 N·m N 248 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. 249 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. 250 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. N/m N N·m N N·m N N·m N N·m 251 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. 252 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. N/m N N N N·m N N·m N N N·m m N·m 253 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. 254 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. 255 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. 256 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. 257 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. 258 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. 12 kN 48 kN·m 12 kN 12 kN 48 kN·m N·m 259 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. kN N·m 12 N 12 N 4m N·m 12 N N/m 2m 4m 2m N N (N) 3m N·m 260 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. N N·m N N N N·m m N·m N N·m 261 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. 900 N 4m 400 N 14m N/m 12m 6m 1710 N N N N·m N N·m N 262 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. N N·m 900 N 400 N N N N·m 263 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. 6 N 1m N/m 4m 4m N 4 6 1 264 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. 3 3m 3m 265 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. 266 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. 267 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. 268 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. 900 (+) 120 kN/m 8m 4m 4m (kN) 8m (kN·m) kN; kN·m 269 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. 270 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. 120 kN/m 120 kN/m 2m 2m 2m 2m (kN) 2m (kN·m) kN·m kN 271 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. 0.4 kN/m 0.2 kN/m 5m 10m 5m 10m 10m kN -1 10m (kN/m) kN; kN·m 272 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. 273 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. 274 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. 2m 3m 2m (N) (N·m) N; N·m 275 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. 276 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. 277 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. 960 kN/m 440 kN/m 4m 8m 960 kN/m 2m (kN) (kN·m) N; N·m 278 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. 400 kN/m 2m 2m 4m (kN) (kN·m) kN·m kN; 279 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. 200 kN/m 2m 4m 2m (kN) (kN·m) kN·m kN; 280 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. (kN) 2m (kN) 2m 2m 3m (kN·m) kN; kN·m 281 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. 4000 kN 2000 kN 600 kN/m 4m 4m 7700 kN 4m 8m kN 4m (kN) 4m 4m (kN·m) kN; kN·m 282 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. 600 kN 180 kN/m 2m 6m 660 kN 3m 1380 kN (kN) (kN·m) kN·m kN; 283 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. 900 kN 900 kN 4m 2m 4m 225 kN/m 120 kN/m 4m 4m 1860 kN (kN) (kN·m) kN; kN·m 284 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. 285 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. 286 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. L = 80 m 12 kN/m m N m) m 287 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. m) m m m 960 kN L = 60 m N kN N N m 16 N 14 N 288 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. 16 14 16 1 16 7.75 m 14 7.75(1) 1 14 7.4 m 14 1(7.4) 1 14 2.00 m 289 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. 290 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. 291 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. 200 N 200 19.35 m 2.5 200 194.06 N 194.06 (2.5) 2.5 12 194.06 0.24 N/m 19.15 m 37.5 N 37.5 N 12 N 12 2(37.5) 292 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. 4000 N 4000 2828.5 N 20m 293 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. m m 60 m 300 N 900 3.75 948.7 900 78.60 m 3.75 900 (3.75) 3.75 900 3.75 900 (3.75) (3.75) 900 (3.75) 900 300 = 0 900 66.4 m 28.2 m 300 N 200 = 0 200 300 200 N 200 N 294 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. 300 = 0 400 = 0 400 300 m m m m N N N N m N 295 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. 6m 8m 12m 10m 1.2 kN 1.2 kN 1.8 kN kN kN kN 8m 8m 12m 12m 16m N N N N N 296 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. 680 N 8m N N 8m 16m N N N N N N N N N N N N N 8m 8m 12m 12m N N N N N N 8m 8m N m N N N N 297 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. 298 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. 3m N 150 N 3m 3m 4m m 80 N 299 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. 300 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. 301 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. 302 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. Chapter 7 N N N N N N N N N N N N N N N N N N N 303 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. 360mm 360mm N N 600 mm (600) (720) +14(360) = 0 8.400 N N N N N 304 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. 300mm 300mm 300mm 300mm 6N 8N 300mm 300mm 8N N N 305 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. N 270mm N N N N 60mm 90mm 180mm 306 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. 307 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. 720mm 90000 N∙mm 240mm 300mm 480mm 480mm N 308 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. 1800mm 1200mm 360mm 309 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. 1800mm 1200mm 310 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. 311 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. 2.4m 0.8m 1.3 800 N 0.75055 1.6 tan60° 70 N = 2.771m 0.8m 110 N 70 N 1.3m 3.2m 1.6m 70 – 110 – 800 = 0 712.4 N 267.7 N 134.3 N 134.3 712.4 134.3 267.7 312 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. 313 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. 314 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. 315 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. (11) 6 11 N 1.717 N 6N 1m 6 3N 3m (11) 10.435 N 316 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. 40 N 192mm N 270mm N N 317 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. 450mm 600 240mm 600mm 600 318 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. 1.5m 588.6 N 3m 588.6 = 0 588.6 N (0.75) = 0 319 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. 2520mm 1080mm 588.6 N 320 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. 2m m 5m 2.5m m 90mm 150mm 15 N 15 N 321 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. 15 N 15 4.5 N 4.5 N 15 15 N 5.25 N 15 N 15 5.25 N 4.5 N (30202.6)(0.7) 2 1.4 8693 N 30202.6 – 8693sin30° 25856.1 N 8693 7528.4 N 7528.4 25856.1 322 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. 20(9.8) =196.2N 5m 6.5m 139.3 N 2.5m 6m 75.46 N 75.46 139.3 323 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. -75.46 139.3 N 139.3 49.05 N 75.46 16.08 N -75.46 139.3 .5m .5m 49.05 = 0 0.5m 206.66 N 16.08 206.66 1800 N (3)(540) = 810 N 150mm 810 810 N 1800 1800 N 540mm 810 N 3m 810 N 3 N/mm 810 1800 N 1800 324 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. 300mm 3600 N (6)(1080) = 3240 N 150mm 3240 = 0 3240 N 3600 = 0 3200 N 1080mm 3240 N 360mm 3240 N 3240 3600 3600 N 6 N/mm 533.25>300mm 325 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. 5 441.45 N (981)(2.25) = 0 0.2(441.45) = 88.29 N 441.45 N 5m 981 N 0.5m 88.29 441.45 -88.29 2.25m -441.45 -88.29 1500.9 N W = 1165.4 N 1730.5 N 1730.5 N 360( 180 360mm 180mm N 600mm (2000)(540) = 0 N N 360mm 1080mm 540mm N N 326 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. N 2m N N·m N, N, N, N·m 327 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. N N N·m N·m 328 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. 10 10m 22.87 m 22.87 6.57 m (2.1 + 0.6) 2.7 m 0.6m 4 - 2.1 2.7 0.6 2.7 0.6 0.6m 2.1m 4m 1.9 0.735 150 150 150 150mm 250mm 329 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. N N N N 330 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. 15 (52.5) (52.5) 41215.6 N·mm = 41.2 N·m (52.5) 21686.6 N·mm = 21.7 N·m 331 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. N N N N 332 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. 3 (52.5) N N N N N N N (52.5) 3758.3 N·mm 333 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. N N 270mm 360mm 600mm 270mm 180mm 478710 N·mm N. N 334 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. N N N N N N N 335 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. m 120mm 240mm 240mm 120mm N 336 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. 120 240 N N N m m m m N N N 337 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. N·m 2m 1.4m N 338 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. 80 80 600 20 20 600 80 2400 20 -120), 733.12mm 339 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. N 340 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. (60 x 9.81) = 23.54 N 341 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. 360mm 300mm 810mm 150mm 400 N 300mm 4000 = 0 400 = 0 240.7 N (240.7) 159.3 N (159.3) 47.97 N 342 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. 343 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. 490.5 N 2m 100 (9.81) 1m =981 N 2451 N 490.5 981 490.5 490.5 981 71.55° 490.5 71.55° 344 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. 345 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. 4.5 (7.5) 180mm 120mm 150 N 375 N (375)(7.5) 1758.8 N·mm (375)(7.5) 1086.4 N·mm 346 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. 5m 100N 4m 4m 4m 3m 3m 75N 75N 2.646m 2.646m 347 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. 90.16 N 100 - 75 = 0 90.16 46.5 84.84 46.5 90.16 100 - 75 = 0 84.84 N 0.5481 0.5158 348 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. Chapter 8 m2 4m m3 m3 m m 349 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. 350 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. 351 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. (mm) 27 36 4.5 9 4.5 36 13.5 3 36 4.5 9 13.5 3x 4.5 9 36 13.5 202.5 mm2 9 36 4.5 9 13.5 36 36 (20.25) (20.25x - 182.25) -9x 9 9 36 4.5 9 36mm 4.5 36 13.5 36 9 4.5 13.5 36 9 9 3690.6 mm3 4.5 13.5 -3x 352 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. 110mm 70mm 70 50mm 70 70 110 110 70 70y 110 110 70 70y 3850 mm2 141166.7 mm3 70 110 4900 70 700 4900y 350 110 243833.3 mm3 243833.3 3850 63.3mm 353 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. 3mm OK (110) = 36.67mm 1802 4623.5 mm3 1802 225730.5 mm3 354 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. m m m m2 m 355 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. 40mm 4(50) 2 (mm ) 3927 -1200 2727 67334.9 2727 50mm 21.22mm (mm) 21.22 13.33 60 mm 3 (mm ) 83330.9 -15996 67334.9 24.7mm 356 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. 2(48) 11.122mm (mm2) 5174.8 1124.1 6298.9 35072.1 6298.9 (mm) 11.122 -20 (mm3) 57554.1 -22482 35072.1 48mm 20mm 30mm 5.57mm 357 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. 50mm 20mm 80mm 20mm 20mm 100mm 100 2400 2000 5400 75 110 50 75000 264000 100000 439000 110 60 10 110000 144000 20000 274000 358 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. 1800 700 1400 3900 15 0.0 0.5 27000 0.0 7000 100 55 10 180000 38500 14000 34000 232500 90 15 20 30 70 10 10 100 55 20 mm 359 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. 360 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. 80mm 80mm 80mm 160(80) = 12800 mm2 -40 mm 80 12800 10053 -1.5708R2 -40 33.95 -80+0.4244R -512000 341299.4 -0.6666R3 41.8mm 361 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. m2 m3 m m m 362 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. 363 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. 6.002 -4.244mm 20mm 55 55 94.25 35 6.002 -4.244 0.0000 129.25 (m) 59.24mm -400 0.000 59.24 17.5 -400 (m) (m2) 35mm 558.37 612.5 6195.87 (m) (m2) 4m 5m 3m m m 364 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. 365 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. 31.83mm (mm) 78.54 20.00 40.00 30.00 90.00 258.54 4949.9 258.54 19.15mm (mm)2 (mm) 31.83 40.00 30.00 15.00 0.000 2499.9 800 1200 450 0.0 (mm) -31.83 0.0 20.00 40.00 -50.00 4949.9 -949.9 258.54 (mm)2 -2499.9 0.0 800 1200 -450 40 mm 20mm 50 mm -949.9 -3.68mm 366 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. 167466.7 mm3 367 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. (mm) (mm) (mm) (mm) (mm) 368 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. (m) (m) (m) (m) (m) 369 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. 40mm 20mm 80mm 2 20 (20 ) 20 80 20 80 20 20 80 80 20 370 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. 371 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. 372 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. 373 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. 374 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. 40mm 17.5mm 160 130 190 100 mm ----------------------------------------------------------------------------------------------------Part ----------------------------------------------------------------------------------------------------1 95 2 255 3 360 ----------------------------------------------------------------------------------------------------Sum 375 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. 376 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. 377 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. 35mm 20mm 32.5mm 75mm 12.5mm 32.5mm 37.5mm 37.5mm 4(20) 17.5 -8.488 -5.305 35 -3.75 51.25 51.25 12.5 12.5 378 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. 20mm 15mm 60mm (60 - h) 379 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. 36.1mm 25mm 12mm 12mm 9mm 9mm 15mm 15mm mm mm 2 mm 2 mm 2 mm mm 2 3 mm 380 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. m m2 m m m m m m2 (mm2) m m (mm) (mm3) mm (mm) (mm3) mm 381 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. 18mm 22mm 22mm mm mm mm 382 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. (mm2) (mm) (mm3) (mm) (mm3) mm mm mm 383 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. (mm) 60 120 140 94.25 414.25 (mm) (mm2) 60 30 0.0 0.0 3600 3600 0.000 0.000 (mm) 0.000 0.000 35 89.10 (mm2) 0.000 0.000 4900 8397.7 13297.7 7200 30mm 7200 17.4mm 414.25 70mm 60mm 384 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. 50 15.005 mm 15.005mm 10.61mm --------------------------------------------------------------------------------------------------------------------Part (mm) --------------------------------------------------------------------------------------------------------------------1 235.62 10.61 2499.9 10.61 2499.9 0.000 0.000 2 120.00 0.00 0.000 -50 -6000 60 7200 3 80.00 0.00 0.000 -10 -800 120 9600 --------------------------------------------------------------------------------------------------------------------Sum 435.62 2499.9 -4300.1 16800 385 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. 386 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. 12m 387 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. m3 m4 m m 12m (m) (m) (m2) (m3) m3 m3 m m3 m 388 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. 389 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. 120 mm 200000 mm3 20mm 20mm 40mm 20mm (126.49)(60)+(40)(40)+(120)(20)+(20)(30) 120 mm 12189.4 mm2 20mm 40mm 390 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. 40 mm (50) = 31.83 mm (64.03)(25)+(78.54)(31.83) = 4100.7 mm2 50 mm 40 mm 50 mm (40 )(40 2(40) -346.4 mm2 25.46 mm 40 40 mm 12.73 mm 40 11.55 mm 391 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. (40) 41.89 mm (40) 38.2 38.2 mm 40mm 19.099 mm 80mm 100mm 150mm 20mm 392 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. mm 12mm mm mm mm2 mm2 5m 250 5 5 6.37 m 393 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. 90 mm 20mm 40mm 20mm 20mm 20mm 20mm 394 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. 395 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. 15mm 60mm 80mm 60mm 396 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. 40 mm 20mm 20mm 70mm (N) 1.415 2.478 0.708 2.9 (mm) (mm) 0.0 35 70 60 7.499 0.0000 1.7336 0.9905 3.4800 20 0.0 10 10 310.22 28.3 0.0000 7.08 29 64.38 25 mm 397 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. 150mm 150mm 210mm 360mm (mm3) 390mm (mm4) (mm) -50 105 -75 (90) (90) -33.75 mm 2 109.2 mm 398 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. 1.25 mm 90mm 60mm (60) = 25.46 mm (N) (mm) 1.095 0.594 0 30 1.689 (N·mm) 0 17.82 (mm) (N·mm) 60 40 16.26 23.76 17.82 39.46 (mm) 25.46 0 (N·mm) 27.879 0 27.789 399 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. 400 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. 115000 N 4.5 m 4.22 m 401 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. 402 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. 7.5mm 40sin45° 40cos45° 4266 mm3 80 (mm2) (mm3) (mm) 128000 (402) (40 (40 128000 (40 128000 4266 4266 128000 128000 403 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. m, N N·m N m 404 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. N·mm =9000N·mm 4 N/mm mm mm 405 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. N mm N mm N mm mm 406 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. 407 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. 40m 8m 8 2.66 m 408 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. 409 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. 410 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. 85mm 411 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. 412 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. 4m 4m 4 4 4 739019 N 40mm 40mm 413 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. 40 402 40 16.57 56.57 40 40 662.8 23.4 mm 414 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. (mm2) mm (mm) (mm3) (mm) (mm3) mm 415 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. 416 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. 200mm 200 mm 200 (N) 92.64 -40.92 51.72 150 mm (150) 136.34 mm (mm) 100 136.34 (N·mm) 9264 -5597 3667 3667 (200) = 0 18.34 N 18.34 N 417 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. 40mm 12.5mm 15mm 4mm 90mm 4mm 418 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. 1.4816 N·mm 20mm 30mm 40mm 419 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. 30 + 50 + 30 = 110 mm 30mm 40mm 40mm 50mm 30mm 40mm 27646 mm2 N·m N·m 20mm 30mm 30mm 30mm 60mm 420 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. m2 m2 (m2) (m2) (m) m m m m m (1000)(9.81)(rcosθ) 9810 9810 22072.5 N 9810 9810 19502.3 N·m 421 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. 1N 30mm 80mm 25mm 422 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. Chapter 9 423 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. 70mm 100mm 20 20 0.25 20 20 100 0.25 424 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. (mm) 40) 20 40 40 20 +40 40 20 40 40 40 100 80 (mm) 425 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. 426 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. 1380.7 128.7mm 449.7 73.5mm 93.3mm (5.75)(71.342) 90mm 5.75mm (5.753)(71.34) 427 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. 82.87mm 45 9.33 9.33mm 40.335mm (82.87)(9.333) (7732)(40.3352) 6.06mm 428 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. 3.79mm 2.77mm 6.06mm 90 - 2.27 = 87.73mm 45mm (mm4) (mm2) (mm3) (mm) (mm4) 429 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. 90mm 20mm (1800)(100)+(700)(55)+(1000)(10) 1800+700+1000 3 (20)(90) 3 (70)(10) (20)(50) 65.29mm 70mm 10mm 65.29mm 3 20mm 50mm (90)(20)3 2 1800(100)-(65.29) (10)(70)3 2 700(55-65.29) (50)(20)3 2 1000(10 - 65.29) 430 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. 20mm 20mm 180mm 20mm 80mm 100mm 80mm 431 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. 2 (mm ) (mm) 1600 3200 1400 10 100 190 6200 602000 6200 3 (mm ) 16000 320000 266000 602000 97.1 mm 432 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. 30mm 2 (mm ) 1000 600 800 -800 2 (mm) (mm ) 50/3 30 10 20-3 1600 20mm 50000/3 18000 -8000 -16000/3 40mm 42mm 112000/3 3 (40)(50) 40mm 80mm 3 3 40(30) 2 60(30) 3 (40)(20) (80)(20) m m m m m 433 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. 434 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. mm4 435 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. mm4 mm4 mm4 mm4 436 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. 437 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. 438 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. 439 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. 440 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. mm mm4 441 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. 2 (mm ) (mm) 3 3 (mm ) (mm) (mm ) 12mm 6mm 12mm mm mm mm4 mm4 mm4 12mm 12mm 12mm 18mm 6mm mm2 mm 2 (mm ) (mm) mm (mm) 3 (mm ) 3 (mm ) 442 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. mm mm mm4 mm4 mm4 mm4 443 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. m m m m m2 m m4 m m4 m4 4m m4 m4 3m m4 m4 m4 444 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. m4 m4 m4 8m m4 6m m4 m4 m4 445 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. m4 m4 m4 m4 m4 m4 m4 m4 m4 m4 m4 m4 m4 446 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. m4 m4 m4 447 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. 448 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. 449 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. m4 m4 m m m m4 m m m 2 (m ) (m) 3 (m ) (m) 3 (m ) 450 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. m m m4 m4 m4 m4 m4 m4 m4 m4 m4 mm 20mm mm mm m2 mm mm m2 mm mm 451 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. m4 m4 m4 m4 6.75mm 5.75mm m 4 1.8mm 6.2mm m4 m4 m4 m4 m4 452 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. m4 m4 m4 m4 453 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. m4 m4 m m4 4 m2 m4 m4 m4 454 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. m4 m4 m4 m4 m4 m4 m4 m4 m4 m4 m4 455 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. m4 m4 m4 m4 m4 m4 m4 m4 m4 m4 456 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. m4 m4 m4 m4 m4 m4 457 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. 458 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. 459 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. 460 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. 461 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. 2 (m ) (m) 3 (m ) 4.5m 4m 0.5m m m4 m4 m4 m4 m4 m4 462 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. 5mm 12mm mm 2 (mm ) (mm) mm 3 (mm ) 3 (mm ) (mm) mm mm mm4 mm4 mm4 mm4 mm4 mm4 463 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. 464 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. 465 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. m4 m4 m4 m 4m m m m m m4 m4 m4 m4 m4 m4 466 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. m44 m4 m4 m4 m m m4 m4 m4 m4 467 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. 468 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. Chapter 10 469 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. 470 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. 50 50 100 100 25mm W= 2.5(9.81) = 24.525 N 25mm 0.25(9.81) = 2.45 N 40mm 40mm 150 80 80 150mm 75mm 150 80 0.6(9.81) = 8.89 N 150 75mm 80 471 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. 150 80 -150 75 150 +80 75 -150 +80 75 +40 150 +40 150 +40 472 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. 4.5m 4.5m 9 -9 W= 160(9.81) = 1569.6 N -9 473 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. 474 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. 30mm 54mm 48mm 38 N 48mm N·mm 475 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. 476 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. N N N 477 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. 478 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. 1.25 1.25m 1m 0.8m N 1m 0.8m N N 479 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. N N·m 120mm 120mm 240 120 240 240 240mm 2m 3m 1m 3m N 480 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. 1m 3m 4m m m N·m 481 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. 4m 8sin60° =6.928m 2m 2m 1m 1m m m, m 482 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. 60mm 160mm 60mm 40mm = 40 120 mm 483 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. 484 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. 485 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. 60mm 60mm 40mm mm mm 130mm 110mm 70mm 40mm 486 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. 240 110 40 70 487 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. 30mm 12 30 6mm 10 15mm 45mm mm 45 mm 12 mm mm 12 45 90 15 90 488 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. 185mm 355mm 75mm 25mm 275mm 355mm 75 275mm mm 0 20 40 60 80 100 mm 355 275 75 275 mm 355 58 600 N 58 58 58 (58)(600) 489 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. 120mm 120mm 210mm 210mm 210mm 210mm 120mm 120mm 0 20 40 60 80 100 mm 120mm 490 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. 491 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. 492 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. 493 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. 494 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. 495 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. 120mm 120mm 30N 5 N/mm 3600 72000 496 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. 497 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. 6m N 3m 3m N 498 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. 499 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. 500 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. 501 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. 100 50 20 mm 50mm 50mm 502 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. 3000 2500 ) 2000 1500 503 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. 504 © 2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part.