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8.3 Power and efficiency

8.3 Power and efficiency

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Question 7

A sports science class wants to compare the power output of different students.

They must choose one common method for the whole class to use. They decide to investigate a method where students run up a flight of stairs.

Plan an investigation to determine and compare the power output of each student using this method.

In your answer, you should:

  • State the measurements that must be taken and the equipment used to measure them.
  • Explain how these measurements are used to calculate the power output of each student, including the relevant equations.
  • Identify how to make the investigation a fair and reliable comparison.
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Markscheme

8.3 Power and efficiency Questions

  1. GCSE
  2. /Physics
  3. /8.3 Power and efficiency

26 exam-style questions on Edexcel GCSE Physics 8.3 Power and efficiency. Each one has a worked solution and a mark scheme showing where the marks go.

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