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A student experiment for accurate measurements of the Newtonian gravitational constant

 

作者: J.‐Cl. Dousse,   Ch. Rhême,  

 

期刊: American Journal of Physics  （AIP Available online 1987）
卷期: Volume 55, issue 8  

页码: 706-711

 

ISSN:0002-9505

 

年代: 1987

 

DOI:10.1119/1.15061

 

出版商: American Association of Physics Teachers

 

关键词: GRAVITATIONAL CONSTANT;BENCH−SCALE EXPERIMENTS;ACCURACY;PENDULUMS

 

数据来源: AIP

 

摘要:

How can the Newtonian gravitational constantGat the 0.1% accuracy level be measured in a student experiment? This article may help the reader in answering this question. The described improvements of a preexisting apparatus should be applicable to most student laboratories. Results based on direct deflection and swing‐time methods are presented. The corresponding sources of uncertainty and possible systematic errors are discussed.

 

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