A 10 Newton box is carried across the room a distance of 5.2 M how much work was performed​

Inner peace.. jk it's  a stable electron configuration

Answer(a)   the matererials that are in contact, the two materials and the nature of their surfaces/// (b)/// the force pushing the two surfaces together, pushing the surfaces together causes the more of the asperities to come together and increases the surface area in contact with each other