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A man is holding a rope which passes through a smooth pulley which then attached to a counter weight of same mass that of man. At initial both are at rest then the man starts climbing up with a acceleration of 2ms‐² find the time after which the man reaches the pulley

A man is holding a rope which passes through a smooth pulley which then attached to a counter weight of same mass that of man. At initial both are at rest then the man starts climbing up with a acceleration of 2ms‐² find the time after which the man reaches the pulley

Grade:11

1 Answers

Vikas TU
14149 Points
4 years ago
Dear student 
The ans is already explained , This is the solution:
 
 
 
As monkey moving upwards 
So net force T-mg=3mg/2 (1)
Also the block of mass 2m will move upwards as monkey pulls the rope while climbing therefore for block
Net force T-2mg=ma (2)
Substituting the value of T in (2) you get a=g/2
Hope this helps 
Good Luck 

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