A block of mass 3kg is placed on a rough horizontal surface `(mu_(s)=0.4)` . A forc eof `8.7N` is applied on th eblock. The force of friction between the block and floor is .

A block of mass 2 kg is placed on the floor (mu=0.4) . A horizontal force of 7 N is applied on the block. The force of friction between the block & floor is f_(s) . Find the f_(s) .

A block of mass 2kg is placed on the floor. The coefficient of static friction is 0.4. A force F of 2.5N is applied on the block . Calculate the force of friction between the block and the floor.

A block of mass 1 kg in kept on a rough horizontal surface with mu_(s)=0.1 . A force of 0.5 N is applied as shown in the figure. What is the frictional force applied by ground on the block?

A block of mass 1 kg in kept on a rough horizontal surface with mu_(s)=0.1 . A force of 0.5 N is applied as shown in the figure. What is the frictional force applied by ground on the block?

A block of mass 5 kg rests on a table. 8 N horizontal force is applied to push the block. Find out the force of friction between the block and the table. Given, mu_s = 0.3 and mu_k = 0.2 , between the block and the table and g = 10 ms^-2 .

A block of mass 5kg is placed on a rough horizontal plane.A time dependent horizontal force F=(t^(2)+2t) N acts on the block. The friction force between the block and the plane at t=3s is ( mu=0.4 )

Two blocks of masses 3kg and 2kg are placed beside each other in contact with each other on a rough horizontal surface. A horizontal force of 20N is applied on 3kg. The coefficient of friction between blocks and the surface is 0.1 and g = 10ms^(-2) . The force of contact between the two blocks is