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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