A-LevelPhysicsForces, density and pressure9702/12 · Feb/Mar 2025 · Q111 Mark

A shop sign weighing 75 N hangs from a frame attached to a vertical wall. [Figure 11.1] The frame consists of a horizontal rod XY and a rod YZ that is at an angle of 30° to the horizontal. Rod XY is attached to the wall by a hinge at X and has length 0.50 m. Assume that the weights of the rods are negligible. What is the horizontal force exerted by the wall on rod XY?

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A0 N

B43 N

C130 N

D150 N

✓ Correct answer

C: 130 N

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Topic: Forces, density and pressure, A-Level Physics (syllabus 9702). Multiple choice, 1 mark.
Source: A-Level Physics, Feb/Mar 2025 Paper 1 Variant 2, question 11.

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