When a block is kept on the table, its weight acts vertically downwards then the force exerted by the surface on the block is

Weight always acts vertically downwards

A block of mass 70 kg is kept on a rough horizontal surface and coefficient of static friction between block and surface is 0.4 . A man is trying to pull the block by applying a horizontal force .The net contact force exerted by the surface on the block is F , then:

A block of mass 70 kg is kept on a rough horizontal surface and coefficient of static friction between block and surface is 0.4 . A man is trying to pull the block by applying a horizontal force .The net contact force exerted by the surface on the block is F , then:

A cubical block ofmass sqrt(3)/(10) kg and edge 20cm is placed on a rough horizontal surface as shown in the figure-5.126. A force of 1N is applied at one end of the block and the block remains stationary. The normal force exerted by the surface on the block acts (g= 10 m//s^(2))

A block of mass 70kg is kept on a rough horizontal surface (mu=0.4) . A person is trying to pull the block by applying a horizontal force, but the block is not moving. The net contact force exerted by the surface on the block is F , then:

A block of mass m is placed on a rough horizontal surface. The coefficent of friction between them is mu . An external horizontal force is applied to the block and its magnitude is gradually increased. The force exerted by the block on the surface is R.

A block of mass m is moving on a rough horizontal surface. mu is the coefficient of kinetic friction between the block and the surface. What is the net force exerted by the surface on the block?