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Body A is placed on frictionless wedge m...

Body A is placed on frictionless wedge making an angle  with the horizon. The horizontal acceleration towards left to be imparted to the wedge for the body A to freely fall vertically, is-

A

`g sin theta`

B

`g cos theta`

C

`g tan theta`

D

`g cot theta`

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The correct Answer is:
D
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