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Physics (AS & A Level) · Oct / Nov 2019 · Paper 11 · Question 19

9702Stress and strain

An extension–force graph for a spring is shown. What is the spring constant of the spring?

  1. A0.025 N m⁻¹
  2. B0.40 N m⁻¹
  3. C2.5 N m⁻¹
  4. D40 N m⁻¹

As printed in the paper

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Correct answer: D. 40 N m⁻¹

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