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Power and efficiency practice

This 10th-grade classroom material helps students practice power calculations and machine efficiency through problem-solving questions, including calculating power output, identifying correct statements about power, filling in missing terms, and organizing steps for efficiency calculation.

By Edform · Physics · Grade 10 · Published Oct 15, 2026 · New

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Questions

  1. A machine does 600 joules of work in 20 seconds. What is its power output?
  2. Which of the following statements about power are correct?
  3. Fill in the blank with the correct term.
  4. Arrange these steps in the correct order to calculate the efficiency of a machine.
  5. Mark each statement about work, power, and efficiency as true or false.
  6. Match each term with its correct definition.
  7. Sort the following examples as 'Power' or 'Efficiency'.
  8. Which calculation gives the correct value for the power output of a machine that does 250 J of work in 5 seconds?

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