With what minimum acceleration can a fireman slides down a rope while breaking strength of the rope is 
of his weight
Text Solution
Verified by ExpertsThe correct answer is:
C
If man slides down with some acceleration then its apparent weight decreases. For critical condition rope can bear only 2/3 of his weight. If a is the minimum acceleration then,
Tension in the rope 
= Breaking strength
⇒ ⇒ 
⇒ ⇒ 
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