A simple machine with an efficiency of 75% lifts a load of 5000N when a force of 500N is applied to it. Calculate the velocity ratio of the machine by Sunday | May 22 | Physics WAEC | 0 comments A. 10.0 B. 13.3 C. 17.5 D. 25.0 Correct Answer: Option B B. 13.3 Users Also Read These:A machine whose efficiency is 60% has a velocity…The efficiency of a wheel and axle is 100% and the…A wheel and an axle is used to raise a load whose…A machine is used to lift a load of 20 N through a…A machine has an efficiency of 60%. If the machine…