A-LevelPhysicsDeformation of solidsMay/June 2019Paper 1 Q201 Mark
A wire X is stretched by a force and gains elastic potential energy E. The same force is applied to wire Y of the same material, with the same initial length but twice the diameter of wire X. Both wires obey Hooke's law. What is the gain in elastic potential energy of wire Y?
A0.25E
B0.5E
C2E
D4E
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The correct answer is A. This question tests the candidate's understanding of deformation of solids within the Physicssyllabus. The examiner's mark scheme requires...
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