O-LevelPhysicsForces5054/12 · May/June 2015 · Q51 Mark
A metal ball of mass 0.30 kg and weight 3.0 N is held so that it is below the surface of oil. It experiences an upwards force of 0.30 N. When the ball is released, what is its initial acceleration?
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.
A1.0 m/s²
B9.0 m/s²
C10 m/s²
D11 m/s²
✓ Correct answer
B: 9.0 m/s²
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