期刊
EUROPEAN JOURNAL OF PHYSICS
卷 31, 期 4, 页码 893-906出版社
IOP PUBLISHING LTD
DOI: 10.1088/0143-0807/31/4/019
关键词
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资金
- Ministry of Science of the Republic of Serbia [144014]
Dimensional analysis is a simple, clear and intuitive method for determining the functional dependence of physical quantities that are of importance to a certain process. However, in physics textbooks, very little space is usually given to this approach and it is often presented only as a diagnostic tool used to determine the validity of dependences otherwise obtained. This paper presents the basics of dimensional analysis in two cases: the resistance force of the fluid that occurs when a body moves through it and the speed of propagation of waves on water. After that, a general approach to dimensional analysis based on the Buckingham theorem is shown. The material presented in the paper could be useful to both students of physics and physics graduates.
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