Newton's First Law of Motion An object at rest will remain at rest and a object in motion will stay in motion unless a unbalanced force stops it. Race cars get paid to do this.
Newton's Second Law of Motion The net force n an object is equal to the product of its acceleration and its mass. Hitting a baseball is an example of this law.
Newton's Third Law of Motion For every action there is a equal and opposite reaction for every force exerted an equal force is exerted in the opposite direction. If you skateboard you does this.