Question

if a rolling surface of an electric cell is first wrapped in a layer of Sandpaper with rough edge outside would the cell roll a longer distance​

Answer 1

Answer:

Force of friction acts in solids, liquids and gases and opposes the motion with respect to each other.

Question. 2 In’figure, a boy is shows pushing the box from right to left.

ncert-exemplar-problems-class-8-science-friction-1