1889 Horizontal Cast and Collision Tester
Here is a unique way to study horizontal and vertical motion, conservation of energy, and momentum! A track mounted to a vertical board directs one or two carts, casting them into a free fall. The angle of the track is easily adjustable. A pen projecting from the back side of the carts marks the path of the cart as it falls. The pen can be refilled with any standard ink. The graph paper is held in place with magnetic strips, which enables you to quickly replace it for the next student's use. Weights can be added to the carts to study the effects of increased mass on momentum.
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