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Type: Multiple-Choice
Category: Energy and Momentum
Level: Grade 8
Author: jlovering
Last Modified: 6 years ago

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Energy and Momentum Question

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Grade 8 Energy and Momentum

If you do the same amount of work in a shorter time, which of the following is true?
  1. your efficiency decreased
  2. your power increased
  3. you must be using a machine
  4. none of the above