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

it will start moving when the force exerted is more than the frictional force.