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Foucault pendulum - Wikipedia

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The Foucault pendulum or Foucault's pendulum is a simple device named after French physicist Léon Foucault, conceived as an experiment to demonstrate the Earth's rotation. If a long and heavy pendulum suspended from the high roof above a circular area is monitored over an extended period of time, its plane of oscillation appears to change spontaneously as the Earth makes its 24-hourly rotation.

Foucault pendulum - Wikipedia Jump to content From Wikipedia, the free encyclopedia Device to demonstrate Earth's rotation This article is about the physics experiment and instrument. For the novel by Umberto Eco, see Foucault's Pendulum . The accessibility of this article is in question . Relevant discussion may be found on the talk page . ( April 2025 ) Foucault's pendulum in the Panthéon , Paris The Foucault pendulum or Foucault's pendulum is a simple device named after French physicist Léon Foucault , conceived as an experiment to demonstrate the Earth's rotation . If a long and heavy pend

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