Pendulum with Three Magnets
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A pendulum swings with a very small angle above a plane with three magnets. The trajectory of the green bob at the end of the pendulum is shown. You can move the red magnets or change the initial position of the bob. The pendulum's wire is not drawn.
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Contributed by: Enrique Zeleny (March 2011)
Open content licensed under CC BY-NC-SA
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