O-LevelPhysicsForces5054/11 · Oct/Nov 2010 · Q121 Mark
An engineer designs a dam wall for a reservoir. Which factor determines the pressure at 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.
Athe depth of the water in the reservoir
Bthe surface area of the reservoir
Cthe length of the reservoir
Dthe thickness of the dam wall
✓ Correct answer
A: the depth of the water in the reservoir
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