A-LevelPhysicsWork, energy and power9702/12 · Oct/Nov 2012 · Q191 Mark

A piston in a gas supply pump has an area of 500 cm² and it moves a distance of 30 cm during one stroke. The pump moves the gas against a fixed pressure of 4000 Pa. How much work is done by the piston during one stroke?

A60 J

B6.0 × 10³ J

C6.0 × 10⁵ J

D6.0 × 10⁷ J

✓ Correct answer

A: 60 J

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Topic: Work, energy and power, A-Level Physics (syllabus 9702). Multiple choice, 1 mark.
Source: A-Level Physics, Oct/Nov 2012 Paper 1 Variant 2, question 19.

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