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O-LevelPhysicsForces5054/12 · Oct/Nov 2020 · Q81 Mark

There is an astronaut on a planet which has a gravitational field strength one fifth of the value on Earth. He hangs samples of rock from a spring balance designed for use on Earth. Each sample has a mass of 0.1 kg. The spring balance reads 1.0 kg. How many samples of rock are there?

A2

B10

C25

D50

✓ Correct answer

D: 50

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About this question

Topic: Forces, O-Level Physics (syllabus 5054). Multiple choice, 1 mark.
Source: O-Level Physics, Oct/Nov 2020 Paper 1 Variant 2, question 8.

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