This document discusses torque, rotational work and power, and angular momentum. Torque is defined as the product of force magnitude and moment arm. Rotational work and power are important for transmitting mechanical energy through rotating shafts as seen in engines. Angular momentum is related to linear motion quantities through various angular and linear relationships.

1. Torque Work and Power Conservation of Angular Momentum

2. Torque Torque is the product of the magnitude F of the force and its moment arm L. To twist something is to apply torque to it.

3. Rotational Work and Power Mechanical energy is usually transmitted by rotary motion. The power output of almost every modern engine emerges via a rotating shaft.

4. Angular Momentum

5. Relation between Angular and Linear Quantities

6. Reference: Physics for Scientists and Engineers with modern Physics 7 th Edition by Jewett/Serway © 2008 Thompson Learning Inc.