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

Elastic and plastic behaviour — practice question

The graph shown is a load-extension graph for a wire that is being elastically deformed. What amount of work is done on the wire in order to increase the extension from $10\,\text{mm}$ to $20\,\text{mm}$?

  • A$0.028\,\text{J}$
  • B$0.184\,\text{J}$
  • C$0.28\,\text{J}$
  • D$0.37\,\text{J}$

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