AIR RESISTANCE AND TERMINAL VELOCITY
2 marks · NormalCalculate the weight of an object with a mass of 4.5 kg on the Moon, where the gravitational field strength is 1.6 N/kg.
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7.2 N (±0.1)
Also accept: 7.20 N
Common mistakes: Using Earth's gravity; Incorrect multiplication
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Marking points
M1 · 1 mark · Substitute values into W = m × g.
A1 · 1 mark · Correct final answer with unit (7.2 N).
Worked solution