A block is kept on an inclined plane of inclination θ of length l. The velocity of particle at the bottom of inclined is (the coefficient of friction is μ)

(1) $\sqrt{2gl\left(\mu \mathrm{cos}\theta -\mathrm{sin}\theta \right)}$

(2) $\sqrt{2gl\left(\mathrm{sin}\theta -\mu \mathrm{cos}\theta \right)}$

(3) $\sqrt{2gl\left(\mathrm{sin}\theta +\mu \mathrm{cos}\theta \right)}$

(4) $\sqrt{2gl\left(\mathrm{cos}\theta +\mu \mathrm{sin}\theta \right)}$

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

(2) Acceleration (a) $=g\left(\mathrm{sin}\theta -\mu \text{\hspace{0.17em}}\mathrm{cos}\theta \right)$ and s = l

$v=\sqrt{2as}=\sqrt{2gl\left(\mathrm{sin}\theta -\mu \mathrm{cos}\theta \right)}$

Difficulty Level:

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