Physics 9702 · AS & A Level · Elastic and plastic behaviour

Elastic and plastic behaviour — practice question

The graph illustrates the non-linear force-extension relationship for a wire made of a new composite material. What is the most suitable estimate of the work done in stretching the wire to point P?

  • A$0.09\,\text{J}$
  • B$0.10\,\text{J}$
  • C$0.11\,\text{J}$
  • D$0.20\,\text{J}$

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