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27 Wedges 76
28 Frictional Forces on Screws 78
29 Frictional Forces on Flat Belts 80
30 Rolling Resistance 83
VII TRUSSES 85
31 Simple Trusses 85
32 Method of Joints 88
33 Zero-Force Members 89
34 Method of Sections 91
VIII WEIGHT AND THE CENTER OF GRAVITY 93
35 Center of Gravity, Center of Mass, and the Centroid
of a Body 94
36 Centroid of Some Simple Geometrical Figures 98
Ways of Determination Location the Center of
37
Gravity 101
IX KINEMATICS 103
38 Kinematics of Particle 103
39 Motion of Particle: Vectors 104
40 Motion of Particle: Cartesian Coordinates 107
41 Motion of Particle: Cylindrical Components 109
42 Natural Coordinate System (t, n, b axis) 114
43 Motion of Particle: Natural Coordinate System 115
44 Classification of Motion of a Particle by its
Acceleration 116
X KINEMATICS OF RIGID BODY 120
45 Kinematics of Rigid Body: Basic Concepts 120
46 Planar Rigid Body Motion 122
47 Translation Motion 123
48 Rotation Rigid Body About Fixed Axis 125
49 Motion of Body’s Point P 127
XI RELATIVE-MOTION ANALYSIS OF PARTICLE 130
50 Basic Definitions of Relative Motion of Particle 130
51 Relative-Motion Analysis of Particle: Velocity 133
52 Relative-Motion Analysis of Particle: Acceleration 135
53 Coriolis Acceleration 136
XII RELATIVE-MOTION ANALYSIS OF RIGID
BODY 137
54 General Plane Motion of A Rigid Body 137
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