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 is used to lift a load of 20 N through a…The efficiency of a wheel and axle is 100% and the…A load of mass 120kg is raised vertically through a…A wheel and axle is used to raise a load of 500N by…A machine has a velocity ratio of 4; if it requires…