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25. Conservation of Angular Momentum

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Learning Objectives

  • Explain and be able to apply the law of conservation of angular momentum for 2-dimensional rotation.
  • Recognize appropriate points to calculate angular momentum about.
  • Explain the meaning of angular impulse.
  • Be able to analyze problems involving angular impulse and changing angular momentum.

Preparation

Course Notes

This resource may not render correctly in a screen reader.Notes: Angular Momentum and Torque for a System of Particles (PDF - 2.9MB)

Suggested Textbook Reading (Optional)

Buy at Amazon Chapter 10.6. Young, Hugh D., Roger A. Freedman, and A. Lewis Ford. Sears and Zemansky's University Physics: with Modern Physics. 12th ed. San Francisco, CA: Addison-Wesley, 2007. ISBN: 9780805321876.

Lecture Video

Video Excerpts

Watch the following excerpts from the Physics I lecture videos:

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Learning Activities

Guided Activities

Read through the class slides carefully. They explain all of the concepts from the module.

Slides: Conservation of Angular Momentum (PDF - 1.0MB)

Self-Assessment

Do the Concept Questions first to make sure you understand the main concepts from this module. Then, when you are ready, try the Challenge Problems. If you are struggling with the Challenge Problems, watch the Homework Help Session videos, which will give you tips on how to tackle problems of this type.

Concept Questions

Concept Questions (PDF)

Solutions (PDF)

Challenge Problems

Challenge Problems (PDF - 1.3MB)

Solutions (PDF - 2.5MB)

Problem Solving Help

In the following videos Prof. Walter Lewin explains how to approach the Challenge Problems.

Help Session 1

{'English - US': '/courses/physics/8-01sc-physics-i-classical-mechanics-fall-2010/angular-momentum-1/conservation-of-angular-momentum/help-session-1/t8lABaUFxGU.srt'}

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Help Session 2

{'English - US': '/courses/physics/8-01sc-physics-i-classical-mechanics-fall-2010/angular-momentum-1/conservation-of-angular-momentum/help-session-2/e_bRAhlXak4.srt'}

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Related Resources

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