Three blocks are connected as shown in the figure. Valculate the minimum force required to move the body with constant velocity. The coefficient of friction at all surfaces is 0.25.

Find the minimum value of F and the tension in the string so that the blocks move with constant velocity. The coefficient of friction at all surfaces is mu . (a) (b) ( c ) (d)

Determine the force P required to impend the motion of the block B shown in figure. Take coefficient of friction = 0.3 for all surfaces in contact.

A body of weight 50 N is placed on a smooth surface. If the force required to move the body on the surface is 30 N the coefficient of friction

A body of weight 50 N is placed on a smooth surface. If the force required to move the body on the rough surface is 30 N the coefficient of friction is

A 10 kg block is initially at rest on a rough horizontal surface. A horizontal force of 60 N is required to set the block in motion . After it is in motion , a horizontal force of 50 N is required to keep the block moving with constant velocity . The ratio coefficient of static and kinetic friction is

A20 kg block is initally at rest. A 75 N force is required to set the block in motion. After the motion starts, a force of 60 N is required to keep the block moving with constant speed. The coefficient of static friction is

A20 kg block is initally at rest. A 75 N force is required to set the block in motion. After the motion starts, a force of 60 N is required to keep the block moving with constant speed. The coefficient of static friction is

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 ?