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Does an ideal wheelreallyrotate about its instantaneous point of contact?

 

作者: Tim Pritchett,   Raymond C. Nelson,   Timothy J. Creamer,   Bruce G. Oldaker,  

 

期刊: The Physics Teacher  （AIP Available online 1998）
卷期: Volume 36, issue 3  

页码: 167-170

 

ISSN:0031-921X

 

年代: 1998

 

DOI:10.1119/1.879993

 

出版商: American Association of Physics Teachers

 

关键词: rotation;ideal wheel;point of contact;instantaneous frame of reference;rolling without slipping

 

数据来源: AIP

 

摘要:

The notion of an instantaneous frame of reference is implicit in the statement that “a wheel which rolls without slipping rotates about its instantaneous point of contact.” We examine the mathematical conditions defining such frames and argue against their use in teaching introductory dynamics.

 

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