A-LevelPhysicsForces, density and pressure9702/12 · Oct/Nov 2021 · Q151 Mark

A metal cylinder, totally immersed in water, is hung from a newton meter. [Figure 15.1] The cylinder, of height L, is slowly raised vertically by lifting the newton meter. As the base of the cylinder moves from line X in the water to line Y above the surface of the water, the reading R on the newton meter is recorded. The velocity of the cylinder is constant. Which graph best shows the variation of R with the distance d of the base of the cylinder from line X?

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.

A[Graph A]

B[Graph B]

C[Graph C]

D[Graph D]

✓ Correct answer

C: [Graph C]

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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 15.

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