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A 50 kg person stand on a 25 kg platfor...

A `50 kg` person stand on a `25 kg` platform. He pulls on the rope which is connected to the rope which is attected to the plateform `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

A

`500 N`

B

`250 N`

C

`25 N`

D

None of these

Text Solution

Verified by Experts

The correct Answer is:
B
Steady rate means, net force`= 0`

:. `3T = 75 g = 750`
`T = 250 N`
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