From: wugi@brol.invalid   
      
   Op 8/04/2024 om 8:54 schreef Luigi Fortunati:   
   > wugi il 04/04/2024 23:24:16 ha scritto:   
   >>> I am so naive that I have always believed that the man on the in   
   >>> movement carousel feels the rotational force of the carousel and not   
   >>> that of the Earth + Universe.   
   >>   
   >> (A late one). He feels the reaction force by Earth+Universe upon the   
   >> carousel's rotational action, transmitted through the carousel's   
   >> foundation and its own stiffness.   
   >   
   > What does the reaction force of the Earth+Universe to the rotating   
   > action of the carousel have to do with the man on the carousel?   
   >   
   > The man on the spinning carousel acts-reacts only with the carousel,   
   > not with the Earth+Universe!   
   >   
   >> Compare with the water in the bucket, which doesn't feel the bucket's   
   >> swinging action, but rather the reaction upon the bucket by the rope, by   
   >> the hand, by the person swinging the bucket around, by the floor   
   >> retaining his feet, by Earth, ...   
   >   
   > Here too, the only force that the water in the bucket feels is the   
   > force of friction with the walls of the bucket and not that of the   
   > hands, the rope or the Earth+Universe.   
      
   Better back to your drawing board. Litterally.   
   Try to draw all intervening action/reaction pairs and check if you   
   haven't sent some force to "nowhere" ;)   
      
   --   
   guido wugi   
      
   --- SoupGate-Win32 v1.05   
    * Origin: you cannot sedate... all the things you hate (1:229/2)