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A uniform rope of mass m hangs freely fr...

A uniform rope of mass m hangs freely from a ceiling. A bird of mass M climbs up the rope with an acceleration a. The force exerted by the rope on the ceiling is

A

`Ma + mg`

B

`M(a + g) + mg`

C

`M (a + g)`

D

dependent on the position of bird on the rope

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The correct Answer is:
B
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