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8.1 Energy transfers and work

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Question 7

A skateboarder starts from rest near the top of one side of a ramp. The skateboarder does not push and rolls down the ramp and up the other side. The skateboarder then moves backwards and forwards, reaching a lower height each time, before coming to rest at the lowest point.

The skateboarder, skateboard, ramp, Earth and surrounding air are treated as a closed system.

Explain the energy changes as the skateboarder moves backwards and forwards and comes to rest.

Your answer should include:

  • the energy changes as the skateboarder moves down and up the ramp
  • why the skateboarder reaches a lower height each time
  • what happens to the total energy of the system
[6]
Markscheme

8.1 Energy transfers and work Questions

  1. GCSE
  2. /Physics
  3. /8.1 Energy transfers and work

115 exam-style questions on Edexcel GCSE Physics 8.1 Energy transfers and work, covering 8.1.1 Energy stores and transfer diagrams, 8.1.2 Ways of changing a system's energy, and 8.1.3 Work done by forces. Each one has a worked solution and a mark scheme showing where the marks go.

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