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Physics (AS & A Level) · May / June 2025 · Paper 11 · Question 21

9702Stress and strain

A student investigates a spring. The variation of the length of the spring with the force applied to the spring is shown. [graph of length/m against force/N] What is the spring constant of the spring?

  1. A0.17 N m–1
  2. B0.25 N m–1
  3. C4.0 N m–1
  4. D6.0 N m–1

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Correct answer: D. 6.0 N m–1

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