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Demonstration of the parallel-axis theorem

 

作者: Bruce Denardo,  

 

期刊: The Physics Teacher  （AIP Available online 1998）
卷期: Volume 36, issue 1  

页码: 56-57

 

ISSN:0031-921X

 

年代: 1998

 

DOI:10.1119/1.879966

 

出版商: American Association of Physics Teachers

 

关键词: parallel-axis theorem;moment of inertia;physical pendulum

 

数据来源: AIP

 

摘要:

The parallel-axis theorem implies that the period of a physical pendulum is the same for all locations of the axis equidistant from the center of mass. This can be demonstrated for the simple geometry of a rectangular plate with a concentric hole, where a knife edge supports the plate at different points along the rim of the hole.

 

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