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Physics (AS & A Level) · May / June 2016 · Paper 13 · Question 20

9702Elastic and plastic behaviour

The diagram shows the force-extension graph for a sample of material. The sample is stretched and then returns to its original length. Which area represents the work done to stretch the sample?

  1. AP + Q
  2. BP only
  3. CQ + R
  4. DR only

As printed in the paper

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Correct answer: C. Q + R

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