Test
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
- A machine does 600 joules of work in 20 seconds. What is its power output?
- Which of the following statements about power are correct?
- Fill in the blank with the correct term.
- Arrange these steps in the correct order to calculate the efficiency of a machine.
- Mark each statement about work, power, and efficiency as true or false.
- Match each term with its correct definition.
- Sort the following examples as 'Power' or 'Efficiency'.
- 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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