Stroboscopic study of the inverted pendulum
- 1 November 1985
- journal article
- Published by American Association of Physics Teachers (AAPT) in American Journal of Physics
- Vol. 53 (11) , 1079-1083
- https://doi.org/10.1119/1.14036
Abstract
A portable jigsaw is adapted to provide an inexpensive large‐scale demonstration of the inverted pendulum experiment. Stroboscopic study reveals interesting features of the motion of the inclined pendulum, as well as the possibility that no pendulum is ever quite inverted. Kalmus [Am. J. Phys. 3 8 , 874 (1970)] and Kapitza [C o l l e c t e d P a p e r s b y P. L. K a p i t z a, edited by D. TerHaar (Pergamon, London, 1965)] theories are used as analogs to study the behavior of the inverted and the partially inverted pendulum.Keywords
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