From: mikko.levanto@iki.fi   
      
   > Luigi Fortunati il 23/01/2024 12:46:45 ha scritto:   
   >> Mikko il 21/01/2024 14:42:49 ha scritto:   
   >>>> The elevator in free fall in the gravitational field is an inertial   
   >>>> reference system.   
   >>>> Is the elevator in free fall in the magnetic or electric field also an   
   >>>> inertial reference system?   
   >>>   
   >>> That depends on the magnetic and electric properties of the elevator.   
   >>   
   >> The elevator is metallic, the body in the elevator is the same metal as   
   >> the elevator.   
   >>   
   >> The field is generated by an electromagnet.   
   >>   
   >> Luigi Fortunati   
   >>   
   >> [[Mod. note --   
   >> The general principal is that "free fall" means no non-gravitational   
   >> forces are acting.   
   >   
   > An even more general principal is that "free fall" means "fall without   
   > obstacles".   
      
   Not really. It is the same or less general depending on the interpretation   
   of the word "obstacle".   
      
   If there is a non-gravitational interaction that does not prevent the fall   
   the fall is not a free fall but one may say that there is no obstacle.   
      
   Mikko   
      
   --- SoupGate-Win32 v1.05   
    * Origin: you cannot sedate... all the things you hate (1:229/2)