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A lift of mass 'm' is connected to a r...

A lift of mass 'm' is connected to a rope which is moving upward with maximum acceleration 'a'. For maximum safe stress, the elastic limit of the rope is 'T'. The minimum diameter of the rope is
(g = gravitational acceleration)

A

`[(2m(g+a))/(piT)]^(1/2)`

B

`[(4m(g+a))/(piT)]^(1/2)`

C

`[(m(g+a))/(piT)]^(1/2)`

D

`[(m(g+a))/(2piT)]^(1/2)`

Text Solution

Verified by Experts

The correct Answer is:
B
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