[color=#999999]This activity belongs to the [i]GeoGebra book[/i] [url=https://www.geogebra.org/m/sw2cat9w]GeoGebra Principia[/url].[/color][br][br][br]If we replace the circle with a less symmetrical shape, such as a square, regular distributions are no longer possible in all cases. Nevertheless, the equilibrium position is still always reached at the perimeter boundary.

[color=#999999]Author of the construction of GeoGebra: [url=https://www.geogebra.org/u/rafael]Rafael Losada[/url].[/color]