Q1. The diagram shows a simple winch. The motor drives a small gear and the large gear rotates the drum and raises the load. The load is 4KN and it raised at 0.4 m/s. The system is 50 % efficient.
Calculating the following:
1. the power produced by the motor and
2. the speed of the motor.
Explain the reason behind efficiency loss in the system and how to improve the system’s efficiency.