›› 2013, Vol. 32 ›› Issue (7): 17-17.

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Discussion on the fourth problem of eighth national undergraduate mechanics contest

  

  • Online:2013-07-25 Published:2013-07-20

Abstract: This paper discusses a question of the fourth problem of national ZhOU Pei-yuan undergraduate me- chanical contest in 2011 in detail, and puts forward different views to the original answer.

Key words: kinetic friction factor, rotation about a fixed axis, moment of force, radius

CLC Number: 

  • O313.2