Work & Power in Rotational Motion


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question 1 of 3

If you hold a stack of heavy books for 10 minutes, are you doing work, and why?

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1. A merry-go-round is pushed with a torque of 500 newton-meters, around an angle of 2-pi radians. How much work is done in this process?

2. A spinning top is spun at an angular velocity of 3 radians per second, by applying a torque of 10 newton-meters. How much power is being transferred to the spinning top?

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About This Quiz & Worksheet

Through a series of practice questions, you will be asked to demonstrate your knowledge of the roles work and power play in rotational motion.

Quiz & Worksheet Goals

On this quiz/worksheet, you'll be asked about:

  • Whether or not work is being done in certain situations
  • The amount of work done in certain processes
  • Power transferred in certain situations
  • Light's measurement

Skills Practiced

  • Interpreting information - verify that you can read information regarding the uses of work and power and interpret it correctly
  • Making connections - use understanding of the concept of rotational motion
  • Distinguishing differences - compare and contrast work and power as they pertain to light bulbs

Additional Learning

You've got a chance to learn more about work and power. Take that chance by studying further with our lesson, Work & Power in Rotational Motion. This lesson will cover:

  • What work and power are in rotational motion
  • How to calculate work and power
  • Examples of work and power