Elevator Speed with Motor Friction (Jee Mains) | ExamDuo
Conservation of energy
Medium
Elevator Speed with Motor Friction
A 60 HP electric motor lifts an elevator havinga maximum total load capacity of 2000 kg. If the frictional force on the elevator is 4000 N,the speed of the elevator at full load is close to:(1 HP = 746 W, g = 10 ms–2)