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J5-35. Magnets Interacting On Pivots

Purpose

To show the interaction between two bar magnets which are free to rotate.

Equipment

Two bar magnets on pivots.

Images

J5-35

Description

Start the larger bar magnet rotating to watch the reaction of the lighter magnet.

References

Trevor Mitchell and P. B. Siegel, A simple setup to observe attractors in phase space, AJP 61, 855-856 (1993).