A mass m rests under the action of a force F as shown in the figure-2.158 on a horizontal surface. The coefficient of friction between the mass and the surface is `mu`. The force of friction between the mass and the surface is :

A mass m is at rest under the action of a force F. as shown in the figure, on a horizontal surface. The coefficient of friction between mass and surface is u. Then, find the correct choice(s)

A force F accelerates a block of mass m on horizontal surface. The coefficient of friction between the contact surface is . The acceleration of m will be -

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.

A block of mass 2 kg initially at rest moves under the action of an applied horizontal force of 6 N on a rough horizontal surface. The coefficient of friction between block and surface is 0.1. The work done by the applied force in 10 s is (Take g = 10 ms^(-2) )

A block of mass m is stationary on a horizontal surface. It is connected with a string which has no tension. The coefficient of friction between the block and surface is m . Then , the frictional force between the block and surface is:

A block of mass M is using on a rough horizontal surface. mu_R is the coefficient of kinetic friction between the block and the surface. What is the net force exerted by the surface on the block?

A block of mass m is kept over another block of mass 2m and the system rests on a smooth horizontal surface. The coefficient of friction between the block is 0. 50 . Find the work done by the force of friction on the smaller block by the bigger block during a displacement the of the system when a force mg is applied to the lower block

A block of mass m is pulled by a force of constant power P placed on a rough horizontal plane. The friction coefficient between the block and the surface is mu . Then

A block of mass m is placed on another block of mass M which itself is lying on a horizontal surface .The coefficient of friction between two blocks is mu_(1) and that between the block of mass M and horizontal surfece is mu_(2) What maximum horizontal force can be applied to the lower block move without separation?