MCQOPTIONS
Saved Bookmarks
| 1. |
An elevator carrying, a maximum load of 1800 kg (elevator + passengers) is moving up with a constant speed of 2 ms-1.. The frictional force opposing the motion is 4000 N. Determine the minimum power delivered by the motor to the elevator. (Take g = 10 m/s2) |
| A. | 59 hp |
| B. | 38 hp |
| C. | 44 hp |
| D. | 155 hp |
| Answer» B. 38 hp | |