MCQOPTIONS
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MCQOPTIONS
| 1. |
A body was falling freely under gravity at velocity 25m/s what force is required to stop the body in 2 seconds, if mass of the body is 20kg? |
| A. | 389N |
| B. | 446N |
| C. | 100N |
| D. | Zero |
| Answer» C. 100N | |