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Questions  

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

detailed solution

Correct option is B

Force exerted by the rope on the celing = weight of the rope + tension in the rope due to accelerating birdF = mg + TFor the bird T - Mg = Ma ⇒ T = (Mg+Ma)

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Similar Questions

Two forces are acting on a rope lying on a smooth table as shown in figure.

Which of the following statement (s) is/are correct?
I. In moving from A to B, tension on string decreases from 2F to F.
II. Situation will becomes indeterminant, if we take it a massless string. 


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