Physics > 2005 > 8
WASSCE
Masses, m1 and m2 at the 20-cm and 65-cm marks respectively of a uniform metre rule freely suspended at its centre of gravity. If the metre rule balances horizontally, determine the ratio m2 : m1.
A.
2 : 1
B.
3 : 3
C.
2 : 3
D.
1 : 2
Answer: A
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