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Velocity of COM

35.A man of m...

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35.A man of mass M stands on a platform of mass m and pulls himself up by pulley arrangement shown in the figure. If he pulls each rope with force F determine the upward acceleration

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Q. A man of mass

m

stands on a platform of equal mass

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and pulls himself by two ropes passing over pulleys as shown in the figure. If he pulls each rope with a force equal to half his weight, his upward acceleration would be:

Q. A painter of mass

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and pulls himself up by two ropes which hang over the pulley as shown. He pulls each rope with the force

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Q. A painter of mass m stands on a platform of mass

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and pulls himself up by two ropes which hung over pulley as shown. He pulls each rope with force

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and moves upward with a uniform acceleration

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a,

neglecting the fact that no one could do this for long time.

Q. A painter of mass

M

stand on a platform of mass

m

and pulls himself up by two ropes which hang over pulley as shown. He pulls each rope with the force

F

and moves upward with uniform acceleration '

a

a

' (neglecting the fact that no one could do this for long time and also neglecting air drag and other

f r i c t i o n a l

forces in the pulley)

50 k g

person stands on a

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platform. He pulls on the rope which is attached to the platform via the frictionless pulley as shown in the figure. The platform moves upwards at a steady rate if the force with which the person pulls the rope is:

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