Hosted by The Math Forum## Problem of the Week 1105## Locus of the FocusMacPOW Home || Math Forum POWs || Search MacPOW
## SolutionsThe locus of the focus of a parabola as it rolls is a catenary. There are several ways to do this. Here is a solution by Piotr Zielinski. Mine follows, using Mathematica for some integration.
And my method:
© Copyright 2008 Stan Wagon. Reproduced with permission. |

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22 September 2008