Torque and Angular Momentum

1. Torque

1.1. =rFsin

1.2. Lever Arms

1.2.1. the distance r

1.2.2. moment arm

1.3. Center of Gravity

2. Work done by Torque

2.1. torque times the angular displacement

3. Newton's Second Law

3.1. the sum of torques=Interia*angular acceration

4. Motion of Rolling Objects

4.1. some equations on pg 281

5. Angular Momentum

5.1. L=Interia*angular velocity

5.2. Comservation of angular momentum

5.2.1. initial L=final L

5.3. right hand rule

6. Rotational Kinematic Energy

6.1. =1/2Iw^2

7. Rotational Inertia

7.1. kg*m^2

7.2. pg 258 equations

8. Equilibrium

8.1. Human Body

8.1.1. different examples

8.2. Conditions

8.2.1. Sum of F=0

8.2.2. Sum of torques=o

8.3. PRoblem-Solving