Mechanics of Materials, SI
Barry J. Goodno and James M. Gere
9781337093354
Ninth Edition
Errata for First Printing
Page Number
37
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Correction Description
At the end of the first paragraph, change “Prob. 1.4-4” to “Prob. 1.5-4”
In the first line of the third paragraph, change “Equation (1-19)” to “Equation (1-16)”
In Problem 2.3-16(d), change “1.4-2” to “1.5-2” and “1.7-13” to “1.8-13”
In the line above Equation (3-13), change “rear-ranging” to “rearranging”
In Example 3-6 Part (d), in the first equation change “1.8 X 10-6” to “1.8 X 10-3” and “0.41917” to
“4.192 X 10-4”
In Example 3-7, three lines from the bottom change “horsepower” to “power”
In Problem 3.8-5, change “43 MPa” to “42 MPa”, “1.85o” to “0.55o”, and “28 GPa” to “73 GPa”.
In the accompanying figure, change “20 mm” to “19 mm”, “225 mm” to “150 mm”, “25 mm” to “38
mm”, and “450 mm” to “380 mm”
In Problem 3.8-15, change “40 mm” to “41 mm”, “50 mm” to “51 mm”, “36 GPa” to “37 GPa”, and
“80 GPa” to “83 GPa”. In part (a), change “48 MPa” to “31 MPa” and “80 MPa” to “52 MPa”.
In part (b), change “2500” to “1250”
7 lines from the bottom of the page, “1.2-33” should be “1.3-33”
In Equation (6-7b), “E1I2” Should be “E1I1”
Two paragraphs under Equation (7-68), change “Equation (7-60)” to “Equation (7-68)”
In the line under Equation (7-79), change “Eq. (7-66)” to “Eq. (7-75)”
In the caption for Table 7-1, change “Eqs. (7-83a and b)” to “Eqs. (7-82a and b)”
Problem “7.2-26” should be labeled “7.7-26”
In the third-to-last line of Example 10-4, change “Eqs. (10-32) and (10-33)” to “Eqs. (10-33) and (1034)”
In the answer for Problem 1.3-33, remove the (a) at the start
In the answer for Problem 1.8-22, change “-23.2 N·m” to “-23.2 kN·m”
In the answer for Problem 2.12-11(b), change “0.75” to “0.735”
In the answer for Problem 3.4-4, change “439” to “459”
In the answer for Problem 3.8-4, change “2710” to “2717”
In the answer for Problem 3.8-5, change “150 N·m” to “419 N·m” and “140 N·m” to “436 N·m”
In the answer for Problem 3.8-15, change “1.521 kN·m” to “1.041 kN·m” and “56.9 mm” to “53.3
mm”
In the answer for Problem 3.9-12, change the second instance of “Jm” to “Im”
In the answer for Problem 4.5-22, change “-6.4” to “-7” and “-11.5” to “-12”
In the answer for Problem 5.5-22, the “p” should be the greek letter “ρ”
In the answer for Problem 5.7-7, change “by” to “bx”
In the answer for Problem 5.12-6, remove the negative sign before “11.83”. Also delete “tmin = 12.38
mm”
In the answer for Problem 5.12-14a and b, change both “-” to multiplication symbols
In the answer for Problem 5.12-16b, insert a “-” before “6.36”
In the answer for Problem 5.12-17a, change “723” to “7.23”
In the answer for Problem 5.13-4, change “0.33” to “33”
In the answer for Problem 5.13-5, change “0.33” to “11.5”
In the answer for Problem 6.2-9a, change “26.2” to “26.9”
In the answer for Problem 6.2-14, change “Q” to “q”
In the answer for Problem 6.2-15, components (b) and (c) should be added so that the answer reads
as follows: “(a) ts = 22.7 mm; (b) ts = 2.32 mm; (c) ts = 9.33 mm”
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In the answer for Problem 6.5-5a, change “36.9” to “43.5”
In the answer for Problem 7.2-26, change "-117.2 kPa" to "-211 kPa"
In the answer for Problem 7.4-14, remove the “-” before “51.7 MPa”
In the answer for Problem 8.5-12, change “16.93” to “16.43”
In the answer for Problem 8.5-29b, change “81.8” to “81.1”
In the answer for Problem 9.3-2, change "14.72" to "14.74"
In the answer for Problem 9.3-9, the denominator “16(2β – β2)3/2” should be beneath
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In the answer for Problem 9.3-17, for δB, change “L2” to “L3”
In the answer for Problem 9.3-20, change “Case 9” to “Case 2”
In the answer for Problem 9.7-11, in the second line change the instance of “1” to “81/121”. In the
third line, change the instance of “1” to “3361/14641”.
In the answer for Problem 9.8-3, change “L3” to “L5”
In the answer for Problem 10.3-1c, for θB, change “10-3” to “10-5”
In the answer for Problem 10.3-6, the entire expression for δB should be multiplied by 1/EI
In the answer for Problem 10.3-12, in the last line change “Lx2” to “L2x3” and “L2x2” to “L3x2”
In the answer for Problem 10.4-40, the second instance of “σmax” should be “δmax”
In the answer for Problem 11.4-5, change the answer to “Pallow = 923 kN, 231 kN, 1888 kN, 3690 kN”
In the answer for Problem 11.4-6, change the answer to “Pallow = 18.78 kN, 4.70 kN, 38.4 kN, 75.1 kN”
In the answer for Problem 11.4-17, change “413.89” to “13.89”
In the answer for Problem 11.5-8, change “57.9” to “54.9”
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