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Hooke's Law states that the strain in a solid is proportional to:

  • A.Applied temperature until the proportional limit
  • B.Applied pressure until the proportional limit
  • C.Volume of the solid
  • D.Applied stress until the proportional limit

Answer: D

Hooke's law says that strain is proportional to the applied stress up to the proportional limit. The constant of proportionality is the modulus of elasticity. The law does not link strain to temperature, pressure or the volume of the solid in this way, so the options A, B and C are wrong.

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