4 Force and Motion 99
4.1 Force...................................................99
4.2 Newton’s First Law............................102
4.3 Newton’s Second Law.......................106
4.4 What Force Is Not..............................108
4.5 Inertial and Noninertial Frames of
Reference..............................................110
Summary.....................................................112
Homework Problems...................................113
5Analysis of Forces115
5.1 Newton’s Third Law............................115
5.2 Classification and Behavior of Forces120
5.3 Analysis of Forces.............................126
5.4 Transmission of Forces by Low-Mass
Objects.................................................128
5.5 Objects Under Strain.........................130
5.6 Simple Machines: The Pulley............131
Summary....................................................132
Homework Problems..................................133
7 Vectors 149
7.1 Vector Notation..................................149
7.2 Calculations with Magnitude and
Direction........................152
7.3 Techniques for Adding Vectors..........155
7.4* Unit Vector Notation.........................156
7.5* Rotational Invariance.......................156
Summary....................................................157
Homework Problems..................................158
8 Vectors and Motion 159
8.1 The Velocity Vector............................160
8.2 The Acceleration Vector.....................161
8.3 The Force Vector
and Simple Machines.......164
8.4
.
Calculus With Vectors......................165
Summary....................................................167
Homework Problems..................................168
Motion in Three
Dimensions 139
6 Newton’s Laws in Three
Dimensions 139
6.1 Forces Have No Perpendicular Effects 139
6.2 Coordinates and Components........... 142
6.3 Newton’s Laws in Three Dimensions 144
Summary....................................................146
Homework Problems..................................147