College Physics ›› 2022, Vol. 41 ›› Issue (1): 61-.doi: 10.16854 / j.cnki.1000-0712.210089

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Analysis of the rotation modes of the coin under different conditions

FANG You-le,WANG Tian-xiao   

  1. School of Earth and Space Sciences,Peking University,Beijing 100871,China
  • Received:2021-02-19 Revised:2021-05-20 Online:2022-01-20 Published:2022-01-14


In this paper,the basic equations of motion of coins under different

conditions are derived. The problem of the coin's motion around a circle is analyzed,and two

special modes of motion are discussed using the results,which are finally verified via

experiments and numerical simulations.

Key words: coin, disk, rotation mode, nutation, stability