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Which of the following material doesn't follow Hooke's law?
1. Steel
2. Aluminium
3. Rubber
4. All of the above Hook's law

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Correct Answer - Option 3 : Rubber

CONCEPT:

  • Elastic materials are the material which after deformation can regain their original shape and size.
  • Elastic materials follow Hooke's law.
  • Elastomers: The materials that can be stretched to cause large strains are called elastomers.
    • Elastomers don't follow Hooke's law.

EXPLANATION:

  • Steel and Aluminum are elastic materials. So they will follow Hooke's law.
  • Rubber is an elastomer. So it will not follow Hooke's law.
  • So the correct answer is option 3.

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