A machine whose efficiency is 75% is used to lift a load of 1000N. Calculate
PHYSICS
JAMB 2014
A machine whose efficiency is 75% is used to lift a load of 1000N. Calculate the effort put in to the machine if it has a Velocity ratio of 4.
- A. 343.32N
- B. 233.33N
- C. 333.33N
- D. 334.33N
Correct Answer: C. 333.33N
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