MCQOPTIONS
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MCQOPTIONS
| 1. |
The breaking strength of a rope is 400 N. A fireman weighing 60 kg slides down the rope. The rope will break if |
| A. | 107 dynes |
| B. | the acceleration is 7.5 m/s2 |
| C. | the acceleration is 1.2 m/s2 |
| D. | the acceleration is 3.1 m/s2 |
| E. | the slides with an acceleration of 15 m/s2 |
| Answer» D. | |