O-LevelPhysicsEnergy & Work5054/12 · May/June 2017 · Q151 Mark

A student of mass 60 kg climbs some steps. He travels a horizontal distance of 2.0m and a vertical distance of 1.5m. The gravitational field strength g is 10 N/kg. What is the work done against the force of gravity?

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A90 J

B120 J

C900 J

D1200 J

✓ Correct answer

C: 900 J

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Topic: Energy & Work, O-Level Physics (syllabus 5054). Multiple choice, 1 mark.
Source: O-Level Physics, May/June 2017 Paper 1 Variant 2, question 15.

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