A box is being dragged across the floor at a constant speed by a rope pulling horizontally on it. Friction is not negligible. Identify all the forces acting on the box.

An object of dimensions 50 cm x 40 cm x 0.20 cm has a mass 60g. find its density in g/cm3 and kg/ m3

Which sound characteristic is not affected by the relative motion of an object

Sodium chloride, nacl, is formed when a sodium atom transfers its electron to a chlorine atom. the difference in charge between the two atoms creates a(n) attraction that bonds them together.