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Physics (AS & A Level) · Oct / Nov 2018 · Paper 11 · Question 19

9702Stress and strain

What is represented by the gradient of a graph of force (vertical axis) against extension (horizontal axis) for a wire obeying Hooke's law?

  1. Aelastic limit
  2. Bspring constant
  3. Cstress
  4. DYoung modulus

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Correct answer: B. spring constant

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