A body of mass 10 kg is kept on a horizontal floor of coefficent of static friction `mu_(s)=0.5` and coefficient of kinetic friction `mu_(k)=0.45` as shown in figure.

Find the acceleration, force of friction and contact force on the body by the plane when the driving force is `(g=10ms^(-2))`
(i) 40 N (ii)60N

A body of mass 10 kg is kept on a horizontal floor of coefficient of static friction mu_(s) = 0*5 and coefficient of kinetic mu _(K)= 0*5 as shown in figure . Find the acceleration , force of friction and contact force on the body by the plane when the driving force is (g = 10 m//s^(2) ) (i) 40 N (ii) 60 N

A box of mass 200 kg is kept on a rough horizontal floor having coefficient of static friction mu_(s)=0.25 and coefficient kinetic friction mu_(k)=0.2. Find the work done by a man to slide the body slowly through 20 m with a minimum force. Also find the magnitude of the minimum force.

A body of mass 2 kg is placed on a horizontal surface having coefficient of kinetic friction 0.4 and limiting coefficient of static friction 0.5. If a horizontal force 2.5 N is applied on the body, the frictional force acting on the body will be (Take, g = 10ms^(2) )

A wooden box of mass 20 kg is kept on a rough horizontal surface. The co-efficient of static friction mu_(s)=0.41 and co-efficient of kinetic friction mu_(k)=0.3 exist between the box and the horizontal surface. A constant force F of 70N is applied to the box at an angle of 30^(@) with the horizontal. Find the acceleration of the box on the surface and the frictional force on the box. Take g=10m//s^(2) .

A block of mass m is kept on a horizontal table. If the static friction coefficient is mu ., find the frictional force acting on the block.

A block of mass m is kept on a horizontal table. If the static friction coefficient is mu ., find the frictional force acting on the block.

A block of mass m is kept on a horizontal table. If the static friction coefficient is mu ., find the frictional force acting on the block.

A block of mass M is sliding down the plane. Coefficient of static friction is mu_(s) and kinetic friction is mu_(k) . Then friction force acting on the block is :