O-LevelPhysicsEnergy & Work5054/11 · May/June 2015 · Q111 Mark

A cyclist travels along a horizontal track at constant speed. The work done by the cyclist is equal to

Athe change in kinetic energy.

Bthe force of air resistance.

Cthe force of friction in the bicycle.

Dthe thermal energy (heat) produced.

✓ Correct answer

D: the thermal energy (heat) produced.

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Topic: Energy & Work, O-Level Physics (syllabus 5054). Multiple choice, 1 mark.
Source: O-Level Physics, May/June 2015 Paper 1 Variant 1, question 11.

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