As each ball fell towards the surface of the model in this investigation, the velocity increased
decreased
stayed the same
if you don't know it don't touch it

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