A machine whose efficiency is 60% has a velocity ratio of 5. If a force
PHYSICS
JAMB 2004
A machine whose efficiency is 60% has a velocity ratio of 5. If a force of 500N is applied to lift a load P, what is the magnitude of P?
- A. 1500N
- B. 500N
- C. 4166N
- D. 750N
Correct Answer: A. 1500N
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