A block of mass $m$ is placed on a smooth inclined wedge $ABC$ of inclination $\theta$ as shown in the figure. The wedge is given an acceleration $a$ towards the right. The relation between $a$ and $\theta$ for the block to remain stationary on the wedge is
A block of mass $m$ is placed on a smooth inclined wedge $ABC$ of inclination $\theta$ as shown in the figure. The wedge is given an acceleration $a$ towards the right. The relation between $a$ and $\theta$ for the block to remain stationary on the wedge is
- [NEET 2018]
- A
$a = \frac{g}{{cosec\theta }}$
- B
$a = \frac{g}{{sin\theta }}$
- C
$a=g tan$$\;\theta $
- D
$a=g cos $ $\theta $
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- [JEE MAIN 2021]