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5.2 Work done and energy transfer

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Question 2
F

A worker pushes a barrel up a ramp into a van instead of lifting it straight up. Figure 1 shows the ramp.

Figure: A worker pushing a barrel up a ramp into the back of a van

image

a.

The worker pushes the barrel 4.0 m up the ramp with a force of 380 N. Calculate the work done by the worker on the barrel.

[2]
b.

The barrel has a weight of 340 N. The ramp raises the barrel a vertical height of 1.2 m. Calculate the work done against the weight of the barrel.

[2]
c.

The answer to part (b) is smaller than the answer to part (a). Explain why.

[2]
Markscheme

5.2 Work done and energy transfer Questions

  1. GCSE
  2. /Physics
  3. /5.2 Work done and energy transfer

40 exam-style questions on AQA GCSE Physics 5.2 Work done and energy transfer, covering 5.2 Work done and energy transfer. Each one has a worked solution and a mark scheme showing where the marks go.

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