A rocket is fired vertically from the earth with an acceleration of $2 \mathrm{~g}$, where $\mathrm{g}$ 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 $\mu_{\min }$ between the mass and the inclined surface such that the mass does not move is :

Question:

A rocket is fired vertically from the earth with an acceleration of $2 \mathrm{~g}$, where $\mathrm{g}$ 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 $\mu_{\min }$ between the mass and the inclined surface such that the mass does not move is :

  1. $\tan 2 \theta$

  2. $\tan \theta$

  3. $3 \tan \theta$

  4. $2 \tan \theta$

JEE Main Previous Year Single Correct Question of JEE Main from Physics Laws of Motion chapter.

JEE Main Previous Year April 9, 2016


Correct Option: 2

Solution:

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