This is a prototype of JavaSketchpad, a World-Wide-Web component of The Geometer's Sketchpad. Copyright ©1990-1997 by Key Curriculum Press, Inc. All rights reserved. Portions of this work are being funded by the National Science Foundation (awards DMI 9561674 & 9623018 ).

Thought Experiment#192

A stick passes through a sleeve (in which it can smoothly slide). The sleeve is nailed to the wall, forming a pivot. As one end of the stick is moved in a circle, what shape does stick's far end describe? Characterize this shape for different locations of the pivot.

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(Originally attributed to Wittgenstein. Sketchpad idea by Al Cuoco.)


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