Physics

Chapter 9 Outline

Momentum and Impulse

Overview - This unit covers Momentum, Impulse, Momentum/Impulse Theorem and Conservation of Momentum in both one and two dimensions

Objective: - Understand and solve problems concerning momentum, impulse and conservation of momentum.

Start Date: - March 20,2003

Due Date: - April 1,2003

Suggested Timeframe: - Lecture & Demo 3/24

Labs 3/26

Study Guides  due 3/25

Quiz on ?

Homework Problems Due 3/26

Test on 3/31

Assignment: - -The momentum of an object is the product of its mass and velocity.

-The change in momentum of an object is equal to the impulse that acts on it.

-Impulse is the product of the average force and the time interval over which the force acts.

-Newton's third law is another statement of the law of conservation of momentum.

-The law of conservation of momentum states: In a closed, isolated system, the total momentum of the system does not change.

-The momentum of a system changes when it is not isolated, that is, when a net external force acts on it.

Web Resources:

• here's a little extra momentum stuff
  Momentum of base balls, cars, particle physics and planets.
• Some good momentum stuff
  Here are some animations and problems on momentum
• Another good momentum site
  Notes, demos etc.
• Another good momentum site
  Good notes and animations
• Virtual lab for momentum
  Fire a cannon ball into a train car

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