A square sheet of rubber has sides that are 20 cm long. If you stretch it so that the area of the rubber is four times larger, how long is each of the sides now?
Each side = cm

Question 1(multiple choice worth 2 points) in order to be considered work, the components that must be present are • a force and a movement in the same direction as the force an action which causes movement and an opposite reaction an action which causes no movement or reaction a force and a movement in the opposite direction of the force