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The rod A slides down on block B which s...

The rod A slides down on block B which slides down on a fixed inclined plane making an angle `theta` with horizontal. The angles are shown. If `a_A and a_B` are the acceleration of A and B respectively, then `a_B//a_A` is

A

`sin theta`

B

`cos theta`

C

`tan theta`

D

`cot theta`

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The correct Answer is:
A
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