With what minimum acceleration can a fireman slide down a rope while breaking strength of the rope is 
his weight
A
B
g
C
D
Zero
Text Solution
Verified by ExpertsThe correct answer is:
C
When fireman slides down, Tension in the rope 
For critical condition m (g – a) = 2/3 mg ⇒ ⇒ 
∴ ∴ 
So, this is the minimum acceleration by which a fireman can slides down on a rope.
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