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