L12_A
        Chapter 17.1 Introduction
        Chapter 17.2 Principle of Work and Energy for a Rigid
Body
        Chapter 17.3 Work of Forces Acting on a Rigid Body
        Chapter 17.4 Kinetic Energy of a Rigid Body in Plane Motion
        Chapter 17.5 Systems of Rigid Bodies
        Chapter 17.6 Conservation of Energy
        Chapter 17.7 Power

L12_B
        Chapter 17.8 Principle of Impulse and Momentum for the Plane Motion of a Rigid Body