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   sci.physics.research      Current physics research. (Moderated)      17,516 messages   

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   Message 17,151 of 17,516   
   Luigi Fortunati to All   
   Re: The center of gravity   
   02 Nov 22 08:03:38   
   
   From: fortunati.luigi@gmail.com   
      
   Tom Roberts martedì 01/11/2022 alle ore 16:33:27 ha scritto:   
   >>>> If we let all the elevators in the world move freely (unhindered), they   
   would head towards the center of the Earth where they would all meet.   
   >>>>   
   >> It is not true that "there is nothing special about the location per se" it   
   is the location itself that is special.   
   >   
   > Yes.   
   >   
   >> And what is this privilege?   
   >   
   > It is the (unique) point of spherical symmetry -- here an aspect of the   
   > geometry. Note that "all objects falling to the center of mass" is   
   > geometrical, and in this case merely reflects that spherical symmetry.   
   >   
   > There is nothing mysterious here, just basic geometry.   
      
   Ok.   
      
   And also in General Relativity do all objects "fall" radially towards a   
   single point?   
      
   Luigi   
      
   --- SoupGate-Win32 v1.05   
    * Origin: you cannot sedate... all the things you hate (1:229/2)   

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