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Theory for Simple Machines

 

作者: Harald C. Jensen,  

 

期刊: American Journal of Physics  （AIP Available online 1957）
卷期: Volume 25, issue 9  

页码: 599-602

 

ISSN:0002-9505

 

年代: 1957

 

DOI:10.1119/1.1934566

 

出版商: American Association of Physics Teachers

 

数据来源: AIP

 

摘要:

A theory is presented for a simple machine that gives a relationship between the efficiency and the load lifted by the machine. The theory is shown to be valid for data taken from a pulley system.

 

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