1M40.25 - Gravity Rail with Hill - Potential Wells
Anchor the rail to a table rod using the rod attachment. Using the starting marks on the rail, roll balls until you find a height that allows the ball to go over the hill.
- Robert Ehrlich, "Three Mechanical Demonstrations of Chaos", TPT, Vol. 28, #1, Jan. 1990, p. 26.
- Pratibha Jolly, Dean Zollman, N. Sanjay Rebello, and Albena Dimitrova, "Visualizing Motion in Potential Wells", AJP, Vol. 66, #1, Jan. 1998, p. 57.
- Robert Ehrlich, "E.9. One-Dimensional Double-Well Potential", Turning the World Inside Out, p. 62 - 63.
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