O-LevelPhysicsEnergy & Work5054/11 · May/June 2023 · Q111 Mark

A large stone is rolled onto a lorry using a ramp. The length of the ramp is l. The stone is lifted a height of h. The mass of the stone is m. The weight of the stone is W. Which expression is equal to the useful work done on the stone?

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Am x h

BW x h

Cm x l

DW x l

✓ Correct answer

B: W x h

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Topic: Energy & Work, O-Level Physics (syllabus 5054). Multiple choice, 1 mark.
Source: O-Level Physics, May/June 2023 Paper 1 Variant 1, question 11.

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