1.

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.             \[2\sqrt{3}\]
Answer» B.               \[2/\sqrt{3}\]


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