A body of $5 \,kg$ weight kept on a rough inclined plane of angle $30^{\circ}$ starts sliding with a constant velocity. Then the coefficient of friction is (assume $g=10 \,ms ^{-2}$ )
AIIMS 2019, Medium
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The coefficient of friction is calculated as,
$\mu=\tan \theta=\tan 30^{\circ}$
$=\frac{1}{\sqrt{3}}$
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