Foucault Pendulum

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Video in TIB AV-Portal: Foucault Pendulum

Formal Metadata

Title
Foucault Pendulum
Alternative Title
Foucaultscher Pendelversuch
Title of Series
Number of Parts
62
Author
Contributors
License
CC Attribution - NoDerivatives 3.0 Germany:
You are free to use, copy, distribute and transmit the work or content in unchanged form for any legal purpose as long as the work is attributed to the author in the manner specified by the author or licensor.
Identifiers
IWF Signature
C 14832
Publisher
Release Date
2003
Language
English
Other Version(s) German
Producer
IWF (Göttingen)
Production Year
2002

Technical Metadata

IWF Technical Data
Video-Clip ; F, 2 min 38 sec

Content Metadata

Subject Area
Abstract
A relatively simple demonstration and quantitative determination of the rotation of the earth using a simple pendulum several meters long, the so-called Foucault pendulum. The frequency of rotation can be measured in less than one minute. After carefully damping any spurious vibrations of the pendulum held at its maximum excursion, it is released using a mechanism that avoids shaking it. On the projection screen one can see how the maximum excursion of the pendulum wire shifts from one period to the next. A quantitative evaluation leads to the well known rotational frequency of the earth (1/day). Note that for this evaluation the geographic latitude has to be considered at which the experiment is being performed (f = 51.5 degrees). The actual rotational frequency of the observed rosette trace is here smaller than on the pole. On the equator, it would vanish.
Keywords mechanics Foucault pendulum simple pendulum accelerated frames of reference rotating frames of reference Coriolis force rotation of the earth
IWF Classification physics mechanics

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