Conservation of Linear Momentum: Formula and Examples


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Why do the cannon and cannonball cancel out each others' momenta?

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1. What does it mean to say that momentum is conserved?

2. What must be exerted on an object for it to have momentum?

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About This Quiz & Worksheet

The concept of momentum is one of the building blocks of physics. Review crucial facts such as Newton's third law of motion and the law of conservation of momentum with this quiz and worksheet.

Quiz & Worksheet Goals

The quiz and worksheet review the following ideas:

  • Internal versus external forces
  • Newton's third law
  • Definition of momentum
  • How momentum is conserved

Skills Practiced

Practice the following skills:

  • Reading comprehension - ensure that you draw the most important information about momentum
  • Defining key concepts - ensure that you can accurately define main terms, such as momentum and conservation
  • Knowledge application - use your knowledge to answer questions about the law of conservation of momentum

Additional Learning

If you want more information about momentum, check out the accompanying lesson on Conserving Linear Momentum. You'll go over the following objectives:

  • Define momentum in equation form
  • Understand the difference between internal and external forces
  • Explain Newton's third law
  • Interpret an example of the law of conservation of momentum