It is frequently the case that one of the objects moves as a result of the force applied but the motion of the other object in the opposite direction is not apparent. How does the horse-cart system mo...It is frequently the case that one of the objects moves as a result of the force applied but the motion of the other object in the opposite direction is not apparent. How does the horse-cart system move if the cart pulls on the horse with the same exact force and in the opposite direction as the horse pulls on the cart? (Beware, there are many misconceptions related to this example!