Q .     A rocket is fired vertically from the earth with an acceleration of `2` g, where g is the gravitational acceleration. On an inclined plane inside the rocket, making an angle `\theta` with the horizontal, a point object of mass `m` is kept. The minimum coefficient of friction ` \mu _{m}` in between the mass and the inclined surface such that the mass does not move is:

JEE 2016 Mains 9 April
A

`3\tan \theta `

B

`\tan \theta `

C

`\tan 2\theta `

D

`2\tan \theta `

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