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If A and B moves with acceleration a blo...

If `A` and `B` moves with acceleration a block c moves up with acceleration b calculate acceleration of `D` with respective `A`.
.

A

`2a+b`

B

`2a +b cos theta`

C

`b cos theta + a sin theta`

D

`b sin theta + a cos theta`

Text Solution

Verified by Experts

The correct Answer is:
C
Let `T` be the tension in string
`Tcos theta b + T sin theta a -Ta_(D) =0`
`a_(D) =b cos theta + a sin theta` .
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