Physics > 2008 > 8
JAMB UTME
The diagram above shows a plank RS pivoted at its centre of gravity O and is in equilibrium with the weights P and Q. If a weight 2P is added to P, the plank will be in equilibrium again by
A.
moving Q nearer to O
B.
moving P nearer to O
C.
adding a weight Q to O
D.
moving P further away from O.
Answer: B
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