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Torque and Angular Momentum
by Mary Lager
# Torque and Angular Momentum

## Rotational Kinematic Energy

### =1/2Iw^2

## Rotational Inertia

### kg*m^2

### pg 258 equations

## Torque

### =rFsin

### Lever Arms

### Center of Gravity

## Work done by Torque

### torque times the angular displacement

## Equilibrium

### Human Body

### Conditions

### PRoblem-Solving

## Newton's Second Law

### the sum of torques=Interia*angular acceration

## Motion of Rolling Objects

### some equations on pg 281

## Angular Momentum

### L=Interia*angular velocity

### Comservation of angular momentum

### right hand rule

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the distance r

moment arm

different examples

Sum of F=0

Sum of torques=o

initial L=final L