A-LevelPhysicsForces, density and pressure9702/12 · Oct/Nov 2021 · Q131 Mark

A mass of 500 g is attached at one end of a rod of length 1.50 m. The rod is pivoted at a distance of 25 cm from the other end. The rod is horizontal. [Figure 13.1] What is the moment about the pivot due to the mass?

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A0.63 Nm

B1.2 Nm

C6.1 Nm

D7.4 Nm

✓ Correct answer

C: 6.1 Nm

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Topic: Forces, density and pressure, A-Level Physics (syllabus 9702). Multiple choice, 1 mark.
Source: A-Level Physics, Oct/Nov 2021 Paper 1 Variant 2, question 13.

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