Physics (AS & A Level) · Feb / March 2019 · Paper 12 · Question 21
9702Elastic and plastic behaviour
The graph shows the extension of a sample of a type of rubber as different loads F are applied and then gradually removed. What is the best estimate of the strain energy in the rubber when a load of 80 N is applied?
- A0.40 J
- B0.64 J
- C0.88 J
- D1.3 J
As printed in the paper
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Correct answer: C. 0.88 J
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