Questions  

A painter of mass M stands on a platform of mass m and pulls himself up by two ropes which

            hang over pulley as shown. He pulls each rope with force F and moves upwards with a uniform

            acceleration ‘a’ find ‘a’ neglecting the fact that no one could do this for long time

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a
4FM+mg
b
3FM+mg
c
4FMm+g
d
3FMm+g

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detailed solution

Correct option is A

a=4TM+mg Given tension T=a=4TM+mg

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