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.
- Mark Denny, "Reflection From a Potential Well and From a Potential Barrier", TPT, Vol. 60, #5, May 2022, p. 348.
- 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.
Disclaimer: These demonstrations are provided only for illustrative use by persons affiliated with The University of Iowa and only under the direction of a trained instructor or physicist. The University of Iowa is not responsible for demonstrations performed by those using their own equipment or who choose to use this reference material for their own purpose. The demonstrations included here are within the public domain and can be found in materials contained in libraries, bookstores, and through electronic sources. Performing all or any portion of any of these demonstrations, with or without revisions not depicted here entails inherent risks. These risks include, without limitation, bodily injury (and possibly death), including risks to health that may be temporary or permanent and that may exacerbate a pre-existing medical condition; and property loss or damage. Anyone performing any part of these demonstrations, even with revisions, knowingly and voluntarily assumes all risks associated with them.