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4 marksMechanical Properties of Materials

CAPE Physics Unit 1 · 2015 · Paper 2 · Question 6(b)

Explain the differences between 'elastic deformation' and 'inelastic deformation' by making reference to Hooke's law and energy changes in materials.

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Other parts of this question

  1. 6(a)Define the term 'Young's modulus'. Include a suitable formula in your definition.[3 marks]
  2. 6(c)Calculate the amount of compression that this bone can withstand before breaking. (State your answer in mm.)[3 marks]
  3. 6(d)(i)Use the Young's modulus of the steel to determine the tension in the cable.[2 marks]
  4. 6(d)(ii)Assuming it is an 8-tonne crane and that the length of the cable is 8 m, determine the extension in the cable when it is operating at maximum load.[3 marks]

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