Q.

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» C. the acceleration is 1.2 m/s2
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