A-LevelPhysicsForces, density and pressure9702/12 · Oct/Nov 2017 · Q111 Mark

The diagram shows a block of copper suspended in water. [Figure showing a block of copper suspended in water with face S (top) and face R (bottom) labelled] The block experiences an upthrust from the water. Which statement is the basis of an explanation for this upthrust?

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.

ACopper is more dense than water.

BThe area of face R is greater than the area of face S.

CThe density of water increases with depth.

DThe pressure of water increases with depth.

✓ Correct answer

D: The pressure of water increases with depth.

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Topic: Forces, density and pressure, A-Level Physics (syllabus 9702). Multiple choice, 1 mark.
Source: A-Level Physics, Oct/Nov 2017 Paper 1 Variant 2, question 11.

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