Finding the External Force
作者:
Thomas D. Phillips,
期刊:
American Journal of Physics
(AIP Available online 1954)
卷期:
Volume 22,
issue 9
页码: 583-585
ISSN:0002-9505
年代: 1954
DOI:10.1119/1.1933853
出版商: American Association of Physics Teachers
数据来源: AIP
摘要:
Ambiguity in the statement of Newton's first law of motion occurs in most introductory physics texts. This is due to vagueness or inconsistency in the use of the wordbody. To make the statement of the law plain in meaning three revised wordings are available. In the opinion of the writer the best solution is to substitute the phrase, thecenter of mass of any bodyin the place of the common phraseevery body.
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