# Chapter 9: Rotational Motion

Difficulty Level:

**At Grade**Created by: CK-12Turn In

## Introduction

### The Big Idea

The third conservation law is *conservation of angular momentum.* This vector quantity is the product of rotational velocity and rotational inertia. In any closed system (including the universe) the quantity of angular momentum is fixed. Angular momentum can be transferred from one body to another, but cannot be lost or gained. If a system has its angular momentum changed from the outside it is caused by a torque. Torque is a force applied at a distance from the center of rotation.

Chapter Outline

- 9.1.
## Kinematics of Rotation

- 9.2.
## Moment of Inertia

- 9.3.
## Torque

- 9.4.
## Newton's Second Law for Rotation

- 9.5.
## Yo-Yo Type Problems

- 9.6.
## Rolling Objects

- 9.7.
## Rolling Energy Problems

- 9.8.
## Angular Momentum

### Chapter Summary

## Summary

The lessons here cover rotational motion, including important problem solving techniques.

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Description

The third conservation law is conservation of angular momentum. This vector quantity is the product of rotational velocity and rotational inertia.

Difficulty Level:

At Grade
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Date Created:

Aug 17, 2016
Last Modified:

Aug 17, 2016
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