Asked by ISAACK .S. LUKANGA

Calculate the force to be applied, if a pulley system of an efficiency 80% and velocity ratio is 5 is used to lift a load of 200N.
Answered by ISAACK .S. LUKANGA
I didn't respond because I don't know anything about this question.
Answered by oobleck
since you posted the question, I'd expect you not to respond to it ...
200/5 = 40N
40/0.80 = 50N