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) 2gl(μcosθsinθ)

(2) 2gl(sinθμcosθ)

(3) 2gl(sinθ+μcosθ)

(4) 2gl(cosθ+μsinθ)

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 :-

(2) Acceleration (a) =g(sinθμcosθ) and s = l

v=2as=2gl(sinθμcosθ) 

Difficulty Level:

  • 12%
  • 67%
  • 22%
  • 2%