A `100 kg` load is uniformly moved over a horizontal plane by a force F applied at an angle `30^(@)` to the horizontal. Find this force if the coefficient of friction between the load and the plane is 0.3. Take `g = 10m//s^(2)`

A block is gently placed at the top of an inclined plane 6.4 m long . Find the time taken by the block to slide down to the bottom of the plane . The plane makes an angle 30^(@) with the horizontal Coefficient of friction between the block and the plane is 0.2 Take g = 10 m//s^(2) .

A body of mass 2 kg is placed on rough horizontal plane. The coefficient of friction between body and plane is 0.2 Then,

A block of mass 2 kg, initially at rest on a horizontal floor, is now acted upon by a horizontal force of 10 N . The coefficient of friction between the block and the floor is 0.2. If g = 10 m//s^(2) , then :

A body of mass 10 kg is lying on a rough plane inclined at an angle of 30^(@) to the horizontal and the coefficient of friction is 0.5. the minimum force required to pull the body up the plane is

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 2kg rests on a rough inclined plane making an angle of 30^@ with the horizontal. The coefficient of static friction between the block and the plane is 0.7. The frictional force on the block is

A horizontal force of 129.4 N is applied on a 10 kg block which rests on a horizontal surface. If the coefficient of friction is 0.3, the acceleration should be

A block of mass 20 kg is acted upon by a force F=30N at an angle 53^@ with horizontal in downward direction as shown. The coefficient of friction between the block and the forizontal surface is 0.2 . The friction force acting on the block by the ground is (g=10(m)/(s^2) )