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Physics (AS & A Level) · May / June 2018 · Paper 13 · Question 19

9702Elastic and plastic behaviour

The graph shows how the extension of a spring varies with the force used to stretch it. What is the strain energy in the spring when the extension is 4.0 cm?

  1. A60 J
  2. B120 J
  3. C600 J
  4. D1200 J

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Correct answer: C. 600 J

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