O-LevelPhysicsForces5054/12 · Oct/Nov 2016 · Q31 Mark
Two aluminium spheres P and Q, of masses 0.50 kg and 1.0kg respectively, are released at the same time from the same height. Why do they have the same acceleration?
AThe density of P is equal to the density of Q.
BThe force on P is equal to the force on Q.
CThe force on Q is double the force on P.
DThe gravitational field strength for Q is double that for P.
✓ Correct answer
C: The force on Q is double the force on P.
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