Saved Bookmarks
| 1. |
6760.: An electric motor produces a tension of 4500Nin a load lifting cable and rolls it at the rate of2 m/s. The power of the motor is(1) 9 kW(3) 225 kW(2) 15 kW(4) 9 x 103 hp |
|
Answer» given :w=?F=4500NV=2 m/s P=W/t [W=F*S] (S is the distance )P=(F*S)/T. ( V=S*T Power = force X velocity power = 9000 watt |
|