A-LevelPhysicsForces, density and pressure9702/12 · May/June 2018 · Q131 Mark

A uniform diving-board is held by two fixed rods at points P and Q. A person stands at end R of the diving-board, as shown. [Diagram] The forces exerted by the rods on the board are vertical. The board remains in equilibrium as the person slowly moves towards point Q from end R. Which row describes the changes to the forces exerted by the rods on the board?

This question uses a diagram from the original paper, which isn't shown here. Open the full paper from the past papers archive to see it.

Adecreases, decreases

Bdecreases, increases

Cincreases, decreases

Dincreases, increases

✓ Correct answer

A: decreases, decreases

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Topic: Forces, density and pressure, A-Level Physics (syllabus 9702). Multiple choice, 1 mark.
Source: A-Level Physics, May/June 2018 Paper 1 Variant 2, question 13.

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