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In the arrangement shown in figure-2.124...

In the arrangement shown in figure-2.124 pulley A and B are massless and the thread is inextensible. Mass of pulley C is equal to m. If friction in all the pulleys negligible, then :

A

Tension in thread is equal to `1//2 mg`

B

Acceleration of pulley C is equal to `g//2` (downward)

C

Acceleration of pulley A is equal to `g//2` (upward)

D

Acceleration of pulley A is equal to 2 g (upward)

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The correct Answer is:
D
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