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8.1 Energy transfers and work

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Question 19

A theatre technician pushes a wheeled scenery panel using a constant horizontal force. The panel moves 1.6 m in the direction of the force before reaching a stop. The technician continues to push with the same force while the panel remains against the stop. The total work done by this force is 72 J. What is the magnitude of the force?

[1]
A

45 N45\ \mathrm{N}45 N

B

72 N72\ \mathrm{N}72 N

C

115 N115\ \mathrm{N}115 N

D

0.022 N0.022\ \mathrm{N}0.022 N

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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