A body takes just twice the time as long to slide down a plane inclined at 30o to the horizontal as if the plane were frictionless. The coefficient of friction between the body and the plane is

(1) $\frac{\sqrt{3}}{4}$

(2) $\sqrt{3}$

(3) $\frac{4}{3}$

(4) $\frac{3}{4}$

Concept Videos :-

#16-Static-Friction-Force
#17-Solved-Examples-8
#18-Solved-Examples-9
#19-Solved-Examples-10
#20-Kinetic-Friction-Force
#21-Solved-Examples-11

Concept Questions :-

Friction

(1)

Difficulty Level:

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