O-LevelPhysicsEnergy & Work5054/12 · May/June 2021 · Q161 Mark

A girl lifts an object of mass 1.0 kg from the floor and puts it on a ledge 2.0 m above the floor. How much potential energy is gained by the object? [gravitational field strength g = 10 N/kg]

A2.0 J

B5.0 J

C10 J

D20 J

✓ Correct answer

D: 20 J

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Topic: Energy & Work, O-Level Physics (syllabus 5054). Multiple choice, 1 mark.
Source: O-Level Physics, May/June 2021 Paper 1 Variant 2, question 16.

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