A-LevelPhysicsForces, density and pressure9702/12 · May/June 2010 · Q131 Mark
An object, immersed in a liquid in a tank, experiences an upthrust. What is the physical reason for this upthrust?
AThe density of the body differs from that of the liquid.
BThe density of the liquid increases with depth.
CThe pressure in the liquid increases with depth.
DThe value of g in the liquid increases with depth.
✓ Correct answer
C: The pressure in the liquid increases with depth.
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