Which ball will strike the ground first, one dropped to the floor or one shot outward? Because Newton tells us the horizontal component of force is independent of vertical components, the answer is - both! Since this is contrary to what you may expect, your class will have to "see it to believe it". Includes aluminum base, spring plunger with 2 settings, 2 steel balls (1" diameter), instructions with theory and experiments. Weight 8 oz.
