kg case is hoisted up the 20o incline by the pulley system and motor M.
The case starts from rest and attains a speed of 4m/s after 10 m travel
along the plane at constant acceleration. Determine the power that must
be supplied to the motor at the instant the case has moved 10m.The motor
works with a efficiency of 0.8.
1) 415.52 W.
2) 213.45 W.
3) 123.76 W.
4) 764.37 W.