In the arrangement shown in the figure, the coefficient of friction between the blocks is `mu=1 /2 `.The force of friction acting between the blocks is W N.Find W.

For the arrangement shown in the figure the coefficient of friction between the two blocks is mu . If both the blocks are identical and moving ,then the acceleration of each block is

Find the force of friction acting between both the blocks shown in the figure.

In the arrangement shown in figure coefficient of friction between 5kg block and incline plane is mu=0.5. Friction force acting on the 5kg block is A. 20N B. 10N C. 15N D. 5N

Two blocks A and B are lying on the table as shown in the figure. The coefficient of friciton between block A and block B is mu . The coefficient of friction between block B and ground also mu . An external force F is applied in the direction shown. The maximum value of the force F that can be applied without moving the blocks.

Two blocks of masses'm' and 'M' are arranged as shown in the figure. The coefficient of friction between the two blocks is ' mu ', where as between the lower block and the horizontal surface is zero. Find the force 'F' to be applied on the upper block, for the system to be under equilibrium ?

A force of 100 N is applied on a block of mass 3 kg as shown in figure. The coefficient of friction between the surface and the block is 1/4 .Then the friction force acting on the block is

A block of mass 5 kg is (i) pushed in case (A) and (ii) pulled in case (B), by a force F=20 N , making an angle of 30^(@) with the horizontal, as shown in the figures. The coefficient of friction between the block and floor is mu = 0.2 . The difference between the accelerattion of the block, in case (B) and case (A) will be : (g = 10 ms^(-2)) . .

A block of mass m is pressed against a vetical wall with a horizontal force F = mg, Anogher force F = mg//2 is acting vertically upon the block. If the coefficient of friction between the block and wall is 1//2. the force of friction between them is

A block of mass m=1 kg has a speed v = 4 m//s at theta = 60^(@) on a circular track of radius R = 2 m as shown in figure. Size of the block is negligible. Coefficient of friction between block and the track is mu = 0.5 . The force of friction between the two is

A force of 200N is applied as shown in the figure on block of 3 kg. The coefficient of friction between the block and the wall is 0.3. Find the friction acting on the block. (in N) {Take g = 10 m//s^(2)