A fixed pulley is driven by a 100kg mass falling at a rate

Last updated: 7/8/2022

A fixed pulley is driven by a 100kg mass falling at a rate of 8.0m in 4.0s. It lifts a load of 75.0kgf. What is the power input to the pulley taking the force of gravity on 1kg as 10N ? A. 200 W B. 2000 W C. 1000 W D. 1050 W