本册为第5卷：守恒定律与旋转运动：不变性的概念或守恒定律，是在典型的经典力学课程中被首先提出的。几乎在所有的物理课程中，这个概念对于培养解题技巧也是至关重要的，不论是什么内容或级别的解题技巧。守恒定律被用在物理课程的每一种类型中：力学、电学、磁学、热力学、电子学、量子力学、核能和粒子物理学等。这些守恒定律的前两个，能量守恒和动量守恒将在第5卷中讨论。最后，第5卷介绍了质心和旋转运动的概念。我们的运动没有限制在直线上，我们研究的物体现在可以旋转、自旋和翻滚。

Preface
Author biography
Part I Conservation laws
1 Motivation
2 Getting ready
2.1 Anticipatory set
2.2 Objective
2.3 Purpose
3 Giving information
3.1 Instructional input
3.1.1 Multiplying vectors by scalars
3.1.2 Multiplying vectors by vectors: the vector 'dot'-product
3.2 Modeling
3.3 Instructional input
3.3.1 Work or energy
3.4 Modeling
3.5 Instructional input
3.5.1 Work done by a non-constant force
3.5.2 The 'work-energy theorem' or the 'law of conservation of energy'
3.6 Modeling
3.7 Checking for understanding
3.8 Instructional input
3.8.1 Linear momentum
3.8.2 The 'law of conservation of momentum"
3.9 Modeling
3.10 Checking for understanding
3.10.1 What if an object's mass changes?
4 Keeping information
4.1 Closure
4.1.1 LCE and LCP
4.2 Independent practice
4.2.1 The law of conservation of energy
4.3 Independent practice
4.3.1 The law of conservation of momentum
4.4 Peer teaching
4.4.1 Gravitational potential energy
4.4.2 Work done by 'other' forces
Part Ⅱ Rotational motion
5 Motivation
6 Getting ready
6.1 Anticipatory set
6.2 Objective
6.3 Purpose
7 Giving information
7.1 Instructional input
7.1.1 The Center-of-Mass
7.2 Modeling
7.3 Checking for understanding
7.3.1 Where is the human body's Center-of-Mass?
7.4 Instructional input
7.4.1 The moment of inertia about an axis of rotation
7.5 Modeling
7.6 Instructional input
7.6.1 Multiplying vectors by vectors: the vector 'cross'-product
7.6.2 Representing vectors 'out of' and 'into' this book
7.7 Modeling
7.8 Checking for understanding
7.8.1 All vector operations
7.9 Instructional input
7.9.1 Torque
7.10 Modeling
7.11 Instructional input
7.11.1 Angular displacement
7.11.2 Linear-to-angular transformations
7.12 Checking for understanding
7.13 Modeling
8 Keeping information
8.1 Closure
8.2 Independent practice
8.2.1 The Center-of-Mass
8.2.2 Moment of Inertia
8.2.3 Torque
8.2.4 Rotational motion
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