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A rotating U‐tube experiment

 

作者: Bruce Denardo,   William Wright,   Brad Barber,   Chris Folley,  

 

期刊: American Journal of Physics  （AIP Available online 1990）
卷期: Volume 58, issue 7  

页码: 631-635

 

ISSN:0002-9505

 

年代: 1990

 

DOI:10.1119/1.16421

 

出版商: American Association of Physics Teachers

 

关键词: LIQUIDS;ROTATION;TUBES;HYSTERESIS

 

数据来源: AIP

 

摘要:

A rotating U‐tube experiment is described in which the axis of rotation lies between a vertical arm and the axis of symmetry of the tube. As the rotational frequency is slowly varied, the equilibrium position of the liquid in the tube can abruptly change, resulting in a hysteresis loop. The effect is not due to friction, which causes a much smaller amount of hysteresis. The data agree well with the theory.

 

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