The minimum force required to keep a block sliding with a uniform velocity along a horizontal surface is 49N. Find the co-efficient of Kinetic Friction, if the mass of the block is 40 kg and `g=9.8 m//s`.

The minimum force required to keep a block sliding with a uniform velocity along a horizontal surface, is 49 N, Find the coefficient of Kinetic friction if the mass of the block is 8 kg and (g = 9.8m//s^2) .

The coefficient of static friction between a block of mass 0.25 kg and a horizontal surface is 0.4. Find the horizontal force applied to it.

The coefficient of static friction between a block of mass 0.25 kg and a horizontal surface is 0.4. Find the horizontal force applied to it.

A 60 kg weight is dragged on a horizontal surface by a rope upto 2 metres. If coefficient of friction is mu=0.5 the angle of rope with the surface is 60^(@) and g=9.8m//sec^(2), then work done is

A block of mass m=5kg is resting on a rough horizontal surface for which the coefficient of friction is 0.2 . When a force F=40N is applied, the acceleration of the block will be (g=10m//s^(2)) .

A block of mass 4 kg resting on horizontal surface can be kept in uniform motion on the horizontal surface by the application of the force 16 N, the coeffcient of kinetic friction between the two surfaces is

A block B is pushed momentarily along a horizontal surface with an initial velocity v . If mu is the coefficient of sliding friction between B and the surface, block B will come to rest after a time:

A bullet of mass 50 g moving horizontally with a velocity 210 ms^(-1) gets embedded in a block of mass 1 kg kept on a rough horizontal surface. If the coefficient of kinetic friction between the block and surface is 0.5. The block- bullet system will move a distance of "______" before coming to res t(Acceleration due to gravity =10 ms^(-2)).

Calculate the horizontal force required to just move a block of mass 20kg resting on a horizontalsurface (mu_s = 0.3 , g= 9.8m//s^2)

A block of mass 37 kg rests on a rough horizontal plane having coefficient of static friction 0.3. Find out the least force required to just move the block horizontally.