1.

Amonkey of mass 15kg is climbing on a rope with one end fixed to the ceiling. If it wishes to go up with an acceleration of 1m//s^2, how much force should it apply to the rope ? If the rope is 5m long and the monkey starts from rest, how much time will it take to reach the ceiling ?

Answer»

`120N , sqrt10 SEC `
`132 N, sqrt10sec`
`153N, sqrt10 sec `
`165 N, sqrt10 sec`

Answer :D


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