Faculty Publications

Title

Surface tension in soap films: Revisiting a classic demonstration

Document Type

Article

Journal/Book/Conference Title

European Journal of Physics

Volume

31

Issue

1

Abstract

We revisit a classic demonstration for surface tension in soap films and introduce a more striking variation of it. The demonstration shows how the film, pulling uniformly and normally on a loose string, transforms it into a circular arc under tension. The relationship between the surface tension and the string tension is analysed and presented in a useful graphical form. © 2010 IOP Publishing Ltd.

Original Publication Date

2-18-2010

DOI of published version

10.1088/0143-0807/31/1/N06

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