Class 11 NEET Physics Work, Energy and Power Questions

Question : 9 of 91

Marks: +1, -0

An electric lift with a maximum load of 2000kg (lift + passengers) is moving up with a constant speed of 1.5ms−1. The frictional force opposing the motion is 3000N. The minimum power delivered by the motor to the lift in watts is : (g=10ms−2)