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Q.

One end of massless rope, which passes over a massless and frictionless pulley P is tied to a hook C while the other end is free. Maximum tension that the rope can bear is 360 N. With what value of maximum safe acceleration (in ms-2 ) can a man of 60 kg climb up on the rope?

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a

2

b

3

c

4

d

Not possible

answer is D.

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Detailed Solution

  For Climbing up T>m g

Tmax=360 N mg=600 N

So, it's not possible to climb up safely with some acceleration.

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