JEE Main & Advanced Physics NLM, Friction, Circular Motion Question Bank Motion on Inclined Surface

  • question_answer
    A body of 5 kg weight kept on a rough inclined plane of angle 30o starts sliding with a constant velocity.  Then the coefficient of friction is  (assume g = 10 m/s2)            [JIPMER 2002]

    A)             \[1/\sqrt{3}\]

    B)               \[2/\sqrt{3}\]

    C)             \[\sqrt{3}\]      

    D)             \[2\sqrt{3}\]

    Correct Answer: A

    Solution :

                    \[\mu =\tan 30{}^\circ =\frac{1}{\sqrt{3}}\].


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