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

Elastic and plastic behaviour — practice question

The graph depicts the force-extension graph for a wire. The wire is already extended by a force of $60\,\text{N}$. How much work is required to increase the extension of the wire by $2.0\,\text{mm}$?

  • A$0.040\,\text{J}$
  • B$0.090\,\text{J}$
  • C$0.16\,\text{J}$
  • D$0.25\,\text{J}$

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