Two plates `A` and `B` kept on horizontal surface. Force `F` is applied as shown. If minimum coefficient of friction between them is `(n)/(4)` to keep them in equilibrium. Calculate `n`.

A block of mass 2 kg is kept on a smooth wedge of mass 3 kg and wedge is kept on a rough horizontal surface. A vertical force of 60 N is applied on the minimum coefficient of friction between the wedge and horizontal surface, so that wedge remains at rest during the motion of block on the wedge ?

A ring of mass M is kept on w horizontal rough surface . A force F is applied tangentially at its rim as shown . The coefficient of friction between the ring and surface is mu Then

Two blocks of same mass are kept on a horizontal rough surface as shown in the figure. Coefficient of friction between the blocks and surface is 0.1. A force of 16 N is applied on one block as shown in figure. Find the tension (in newton) in the string.

A block is kept on a rough horizontal surface as shown. Its mass is 2 kg and coefficient of friction between block and surface (mu)=0.5. A horizontal force F is acting on the block. When

A block is kept on a rough horizontal surface as shown. Its mass is 2 kg and coefficient of friction between block and surface (mu)=0.5. A horizontal force F is acting on the block. When

A block is kept on a rough horizontal surface as shown. Its mass is 2 kg and coefficient of friction between block and surface (mu)=0.5. A horizontal force F is acting on the block. When

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

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

A horizontal force of 20 N is applied to a block of 10 kg resting on a rough horizontal surface. How much additional force is required to just move the block, if the coefficient of static friction between the block and the surface is 0.4 ?