Torque and Angular Momentum

by Mary Lager

1. Rotational Kinematic Energy

1.1. =1/2Iw^2

2. Rotational Inertia

2.1. kg*m^2

2.2. pg 258 equations

3. Torque

3.1. =rFsin

3.2. Lever Arms

3.2.1. the distance r

3.2.2. moment arm

3.3. Center of Gravity

4. Work done by Torque

4.1. torque times the angular displacement

5. Equilibrium

5.1. Human Body

5.1.1. different examples

5.2. Conditions

5.2.1. Sum of F=0

5.2.2. Sum of torques=o

5.3. PRoblem-Solving

6. Newton's Second Law

6.1. the sum of torques=Interia*angular acceration

7. Motion of Rolling Objects

7.1. some equations on pg 281

8. Angular Momentum

8.1. L=Interia*angular velocity

8.2. Comservation of angular momentum

8.2.1. initial L=final L

8.3. right hand rule