Al Tobias (wat4y) - Office: Gibson S123 & Physics 218, (434) 924-0538
Demonstrations are cataloged according to PIRA Bibliography
PLEASE REQUEST DEMOS WELL IN ADVANCE
Due to Physics Building renovations, the lead time to set up demo requests has increased due to the need to transport equipment across campus. Please be kind and let me know well ahead of time what you need.
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Maxwell's Wheel (Yo-Yo)
Purpose:To illustrate conservation of energy between gravitational potential energy and kinetic energy in a giant bicycle wheel yo-yo system.
Procedure:The bicycle wheel has a fixed axle upon which one can wind a length of rope (see image). The rope is attached to the ceiling, the wheel is rotated by hand to wind it up to the ceiling, and then it can be let go to watch it roll down, then back up and down many times, like a Yo-Yo.