If the coefficient of friction between all surface figure is `0.4` then find the minimum force `F` to have equilibrium of the system.

The coefficient of friction between two surface is 0.2. The maximum angle of friction is

The coefficient of friction between two surface is 0.2. The maximum angle of friction is

The coefficient of friction between the block and the surface is 0.25. For the system to be in equilibrium, the value of M is

Two blocks of Masses M and 2M are connected by a spring of stiffness k .The coefficient of friction between the blocks and the surface is mu Find the minimum constant force F to be applied to 2m in order to slide the mass M .

Consider the situation shown in the figure . The coefficient of friction between the blocks is mu . Find the minimum and the maximum force F that can be applied so that two blocks move together.

Figure shows a vertical force applied tangentially to a uniform cylinder of weight F_(g) . The coefficient of static friction between the cylinder and all surfaces is 0.500 . In terms of F_(g) , find the maximum force P that can be applied that does not cause the cylinder to rotate.

Figure shows a vertical force applied tangentially to a uniform cylinder of weight F_(g) . The coefficient of static friction between the cylinder and all surfaces is 0.500 . In terms of F_(g) , find the maximum force P that can be applied that does not cause the cylinder to rotate.

In the arrangement shown in figure the cylinder of mass M is at rest on an incline. The string between the cylinder and the pulley (P) is horizontal. Find the minimum coefficient of friction between the incline and the cylinder which can keep the system in equilibrium. Also find the mass of the block. Assume no friction between the pulley (P) and the string.

A heavy box of mass 20 kg is pulled on a horizontal force.If the coefficient of kinetic friction between the box and the horizontal surface is 0.25, find the force of friction exerted by horizontal surface on the box.