From: ram@zedat.fu-berlin.de   
      
   Kuan Peng  wrote or quoted:   
   >Le 29/01/2026 à 23:08, ram@zedat.fu-berlin.de (Stefan Ram) a écrit :   
   >>The behavior (acceleration) of each electron is given by   
   >>Newton's second law, F=ma, where F = F_em + F_other, and the   
   >>electromagnetic force F_em = Q[E + (v x B)]   
   >Is this correct? or   
   >Le 29/01/2026 à 23:13, ram@zedat.fu-berlin.de (Stefan Ram) a écrit :   
   >>I do not deem this to be an actual paradox, because we can   
   >>clearly see that here electromagnetism has priority over Newton.   
   >This is correct   
      
     Newton's /first/ and /second/ laws are /always/ correct.   
     Only the third law is not valid in electrodynamics.   
      
     Feynman discusses this in Volume II, at the end of 26-2   
     "The fields of a point charge with a constant velocity".   
      
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