A-LevelPhysicsDeformation of solids9702/12 · Feb/Mar 2020 · Q201 Mark

The graph shows the non-linear force-extension curve for a wire made from a new composite material. [Figure showing a non-linear force-extension graph, with F/N on y-axis and x/mm on x-axis, up to point P (F=100 N, x=2.0 mm)] What is the best estimate of the work done in stretching the wire to point P?

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A0.09 J

B0.10 J

C0.11 J

D0.20 J

✓ Correct answer

C: 0.11 J

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Topic: Deformation of solids, A-Level Physics (syllabus 9702). Multiple choice, 1 mark.
Source: A-Level Physics, Feb/Mar 2020 Paper 1 Variant 2, question 20.

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