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Cheap and easy coupled-oscillations demonstration

 

作者: Charles A. Sawicki,  

 

期刊: The Physics Teacher  （AIP Available online 1998）
卷期: Volume 36, issue 7  

页码: 417-419

 

ISSN:0031-921X

 

年代: 1998

 

DOI:10.1119/1.879910

 

出版商: American Association of Physics Teachers

 

关键词: coupled oscillations;magnetic field;energy conservation;resonance

 

数据来源: AIP

 

摘要:

A suspended magnetic dipole undergoes torsional oscillations in the Earth’s magnetic field. The length of the suspending string is adjusted so that the pendulum periods equals that for torsional oscillations and energy exchange between these modes is observed.

 

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