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O-LevelPhysicsForces5054/11 · May/June 2021 · Q81 Mark

A horizontal beam is pivoted at X. A mass of 200 g rests on the beam as shown. The centre of mass of the beam is 50 cm from the right-hand end of the beam. The beam is balanced. What is the mass of the beam?

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A80 g

B100 g

C400 g

D800 g

✓ Correct answer

C: 400 g

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About this question

Topic: Forces, O-Level Physics (syllabus 5054). Multiple choice, 1 mark.
Source: O-Level Physics, May/June 2021 Paper 1 Variant 1, question 8.

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