Question

if you are trying to push a heavy box on a horizontal surface list various forces acting on the box. state the condition under which this box will start siding on the surface. how will the magnitude of applied force required to move the box change it .1) weight of the box is increased. 2) the surface on which the box is played is made more rough

Answer 1

when weight is increased normal will increase so max. friction will increase. if surface is rough friction will increase