FrictionHard
Question
Figure shows a block kept on a rough inclined plane. The maximum external force down the incline for which the block remains at rest is 2N while the maximum external force up the incline for which the block is at rest is 10 N. The coefficient of static friction μ is
Options
A.
B.
C.√3
D.
Solution
When block is about to slide down 2 + mg sin θ = μ mg cos θ ....(1)
when block is about to slide up mg sin θ + μ mg cos θ = 10 ....(2) from (1) and (2) μ =
when block is about to slide up mg sin θ + μ mg cos θ = 10 ....(2) from (1) and (2) μ =
Create a free account to view solution
View Solution FreeMore Friction Questions
In the arrangement shown, horizontal surface is smooth, but friction is present between the block and the surface of the...Which one of the following statements is incorrect ?...A block rests on a rough inclined plane making an angle of 30o with the horizontal. The coefficient of static friction b...A marble block of mass 2 kg lying on ice when given a velocity of 6 m/s is stopped by friction in 10 s. then the coeffic...The two blocks, m = 10 kg and M = 50 kg are free to move as shown. The coefficient of static friction between the blocks...