Wiktionary

Wilberforce pendulum

English

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Etymology

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Invented by British physicist Lionel Robert Wilberforce around 1896.

Noun

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Wilberforce pendulum (plural Wilberforce pendulums)

  1. A pendulum consisting of a mass suspended by a long helical spring and free to turn on its vertical axis, twisting the spring; used as a demonstration in physics education.
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