MCQOPTIONS
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| 1. |
Crushed ore is dropped on a conveyor belt at the rate of 300 kg/s. The belt moves, it speed of 2 m/s. the net force acting on the belt that keeps it moving at the same speed is: |
| A. | 30 N |
| B. | 60 N |
| C. | 300 N/m |
| D. | 600 A |
| Answer» E. | |