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Yo-Yo

Purpose

To illustrate transformation between various forms of energy and to perform yo-yo tricks.

Equipment

Yo-yo, as photographed.

Images

d1-65

Description

Simply holding the end of the string to allow the yo-yo to unwind and wind back up again illustrates transformation between gravitational potential energy and rotational kinetic energy, with a lesser amount of translational kinetic energy. See Demonstration Reference File for further information on yo-yo tricks.

References

William Boudreau, Cheap and Simple Yo-Yos, TPT 28, 92 (1990). Lecture Demonstration Instructions Sheet.