Physics (AS & A Level) · May / June 2026 · Paper 12 · Question 21
9702Elastic and plastic behaviour
The graph shows the variation of force with extension for a metal object deformed within its limit of proportionality. What does the shaded area represent?
- Athe elastic limit of the object
- Bthe elastic potential energy stored in the object at an extension of P
- Cthe spring constant of the object
- Dthe Young modulus of the metal at an extension of P
As printed in the paper
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Correct answer: B. the elastic potential energy stored in the object at an extension of P
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