A-LevelPhysicsDeformation of solids9702/12 · May/June 2010 · Q201 Mark

Which graph represents the force-extension relationship of a rubber band that is stretched almost to its breaking point? [Figure 20.1]

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AGraph A: Force-extension curve that starts with increasing gradient then decreasing gradient

BGraph B: Force-extension curve that starts with decreasing gradient then increasing gradient

CGraph C: Linear force-extension graph (constant gradient)

DGraph D: Force-extension curve that starts with increasing gradient then becomes flat

✓ Correct answer

A: Graph A: Force-extension curve that starts with increasing gradient then decreasing gradient

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Topic: Deformation of solids, A-Level Physics (syllabus 9702). Multiple choice, 1 mark.
Source: A-Level Physics, May/June 2010 Paper 1 Variant 2, question 20.

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