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 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 .

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 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

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.

Calculate the force required to move a flat metal plate of area 25cm^2 with a uniform velocity of 20 m//s over the surface of a liquid 1 mm thick if the coefficient of viscosity (n) is 2 Ns//m^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.

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 body of mass 20 kg is moving on a rough horizxontal plane. A block of mass 3 kg is connected to the 20 kg mass by a string of negligible mass through a smooth pulley as shown in the figure. The coefficient of kinetic friction between the heavier mass and teh surface is (g=10m//s^(2)).

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)).