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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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