A-LevelPhysicsDeformation of solids9702/12 · Feb/Mar 2017 · Q211 Mark

A weight of 120 kN is placed on top of a metal column. The length of the column is compressed by 0.25 mm. The column obeys Hooke's law when compressed. How much energy is stored in the compressed column?

A15 J

B30 J

C15 kJ

D30 kJ

✓ Correct answer

A: 15 J

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Topic: Deformation of solids, A-Level Physics (syllabus 9702). Multiple choice, 1 mark.
Source: A-Level Physics, Feb/Mar 2017 Paper 1 Variant 2, question 21.

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