MCQOPTIONS
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MCQOPTIONS
| 1. |
Sand is being dropped on a conveyor belt at the rate of\[\text{M kg/s}\]. The force (in N) necessary to keep the belt moving with a constant velocity of \[\text{v m/s}\] will be: |
| A. | \[\text{Mv}\] |
| B. | \[\text{2 Mv}\] |
| C. | \[\frac{\text{Mv}\,}{2}\] |
| D. | \[\frac{\text{Mv}\,}{3}\] |
| Answer» B. \[\text{2 Mv}\] | |