From: fortunati.luigi@gmail.com   
      
   Luigi Fortunati a écrit   
   > Oliver Jennrich giovedì 27/06/2019 alle ore 19:07:43 ha scritto:   
   >> The shape of a body that is held together by internal forces is   
   >> determined by the balance of the external (tidal) force and the   
   >> internal forces.   
   >   
   > Yes, there are the INTERNAL forces that are always present and that do   
   > not have a privileged direction, so they tend to keep the initial   
   > spherical shape of the jelly ball (on average).   
   >   
   > And there is the EXTERNAL (tidal) force that acts more on the "south"   
   > part of the sphere than the "north" part which is farther from the   
   > center of gravity, thus causing an elongation at the poles and a   
   > crushing at the equator.   
   >   
   >   
   > [[Mod. note -- Yes.  As Oliver Jennrich said, the body's shape   
   > is determined by the balance of these two forces.   
   > -- jt]]   
      
   It follows that the presence of an EXTERNAL force during the free fall   
   in a gravitational field, contrasts with the inertiality described in   
   the first principle.   
      
   So I explicitly ask: is the free fall in a gravitational field inertial   
   or accelerated?   
      
   --   
   - Luigi Fortunati   
      
   --- SoupGate-Win32 v1.05   
    * Origin: you cannot sedate... all the things you hate (1:229/2)