A-LevelPhysicsForces, density and pressure9702/12 · Feb/Mar 2020 · Q121 Mark

A uniform rod of weight 20 N and length 2.0 m is acted upon by two vertical forces, as shown. [Figure showing a uniform rod with two vertical forces, 15 N upwards and 5.0 N downwards, applied at its ends] What are the resultant force acting on the rod and the resultant moment about the centre of gravity of the rod?

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A0 10

B0 20

C20 10

D20 20

✓ Correct answer

A: 0 10

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Topic: Forces, density and pressure, A-Level Physics (syllabus 9702). Multiple choice, 1 mark.
Source: A-Level Physics, Feb/Mar 2020 Paper 1 Variant 2, question 12.

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