O-LevelPhysicsEnergy & Work5054/11 · May/June 2022 · Q81 Mark

A stone falls at terminal velocity in air. What is equal to the change in gravitational potential energy of the stone?

Athe change in kinetic energy

Bthe change in temperature of the stone

Cthe friction between the stone and the air

Dthe thermal energy produced

✓ Correct answer

D: the thermal energy produced

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Topic: Energy & Work, O-Level Physics (syllabus 5054). Multiple choice, 1 mark.
Source: O-Level Physics, May/June 2022 Paper 1 Variant 1, question 8.

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