Physics > 2003 > 11
JAMB UTME
A 90cm uniform lever has a load of 30N suspended at 15cm from one of it sends. If the fulcrum is at the centre of gravity, the force
that must be applied at its other end to keep it in horizontal equilibrium is
that must be applied at its other end to keep it in horizontal equilibrium is
A.
15N
B.
20N
C.
30N
D.
60N
Answer: B
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