# Chapter 1: Introductions

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CHAPTER
ENT 151 STATICS
INTRODUCTIONS
ENT 151 Statics
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Contents
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Course Description
Syllabus
Textbooks and Assessment
Contact Information
Assignment 1
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Course Description
UNIT NAME:
ENT 151 Static
LECTURER:
Mr. Mohd Shukry bin Abdul Majid
CONTACT HOURS:
5 hours per week
&amp; TUITION PATTERN: 3 hours lecture, 2 hour tutorial/laboratory;
CREDITS:
4 credits
PRE-REQUISITES:
None
OBJECTIVE: The objective of the course is to introduce students the
concept of mechanics in static condition.
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COURSE OUTCOME (CO)
• Course Outcome (CO):
• CO1: Able to use basic concepts of mechanics and vector mechanics to
solve static equilibrium problems.
• CO2: Able to use and explain the concepts of force equilibrium and
statically determinate structure.
• CO3: Able to use and explain the relation between the concepts of static’s
resultant force and the applications of frictions.
• CO4: Able to explain and compute the forces in structures. e.g. Truss,
frames and machines.
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Syllabus
CHAPTER 2. STATICS OF PARTICLES (3 hours)
2.1–6
2.7–8
Rectangular Components
2.9–11
Equilibrium of a Particle
CHAPTER 3. RIGID BODIES: EQUIVALENT SYSTEMS OF FORCES (6
hours)
3.1–8
Vector Product; Moment of a Force about a Point
3.9–11
Scalar Product; Moment of a Force about an Axis
3.12–16
Couples
3.17–20
Equivalent Systems of Forces
CHAPTER 4. EQUILIBRIUM OF RIGID BODIES (6 hours)
4.1–4
Equilibrium in Two Dimensions
4.5
Indeterminate Reactions; Partial Constraints
4.6–7
Two- and Three-Force Bodies
4.8–9
Equilibrium in Three Dimensions
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Syllabus
CHAPTER 5. CENTROIDS AND CENTERS OF GRAVITY (3 hours)
5.1–5
Centroids and First Moments of Areas and Lines
5.6–7
Centroids by Integration
5.10–12
Centroids of Volumes
CHAPTER 6. ANALYSIS OF STRUCTURES (6 hours)
6.1–4
Trusses by Method of Joints
6.7
Trusses by Method of Sections
6.9–11
Frames
6.12
Machines
CHAPTER 8. FRICTION (3 hours)
8.1–4
Laws of Friction and Applications
8.5–6
Wedges and Screws
8.10
Belt Friction
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CHAPTER 9. MOMENTS OF INERTIA (3 hours)
9.1–5
Moments of Inertial of Areas
9.6–7
Composite Areas
9.11–15
Moments of Inertia of Masses
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Textbooks and Assessment
REQUIRED TEXT:
Ferdinand P. Beer, Russel Johnston, “ Vector
Mechanics for Engineers: Statics”. 7th edition in SI
Units. McGraw-Hill.
RECOMMENDED TEXTS:
R.C. Hibbeler, “Engineering Mechanics: Statics”. 2nd
ed. Pearson Prentice Hall.
J.L. Meriam, L.G. Kraige, “Engineering Mechanics:
Statics”. 5th ed. SI Version. John Wiley &amp; Sons
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ASSESSMENT
Laboratory Works &amp; Case Study
Tutorial, Assignments &amp; Quizzes
Mid-semester test. (Date to be announced in lecture)
Final examination.
30%
10%
10%
50%
The University’s policy on Plagiarism applies to all assessable
components of this unit.
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LABORATORY
• Laboratory work to cover the followings;
1.Resolution of Forces
2.Equilibrium of Beam with Two &amp; Three Forces
3.Helical and Bending a Leaf Spring
4.Moment of Inertia
5.Friction on Inclined Plane and Angles
6.Case Study
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Contact Information
•Mr Mohd Shukry bin Abdul Majid
shukry@unimap.edu.my
012-5008050
azizul@unimap.edu.my
019-8317470
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Assignment 1
• Do the following questions:
2.5, 2.18, 2.25, 2.34, 2.43, 2.54, 2.61, 2.71
(All the questions are taken from Vector Mechanics for Engineers Statics, by
Beer and Johnston, Seventh Edition in SI Units)
• Please submit the assignment to Mr. Azizul on Monday, 21st January 2007
at the end of the class.
• Late submission will be penalized. Failure to submit the assignment without
any valid and concrete explanation will lead to no point been awarded.
• Please try as much as possible do it by yourself. If still having difficulties,