A boy pushes a 500kg box along a floor with a force of 2000N. If the velocity of the box is uniform, the co-efficient of friction between the box and the floor is? by Sunday | Jan 4 | Physics WAEC | 0 comments A. 1 A. 0.8 C. 0.65 D. 0.4 Correct Answer: Option D D. 0.4 Users Also Read These:A force of 20 N applied parallel to the surface of a…A boy drags a bag of rice along a smooth horizontal…A motorcycle of mass 100kg moves round in a circle…An object of mass 80kg is pulled on a horizontal…A machine of efficiency 80% is used to lift a box.…