From: fortunati.luigi@gmail.com   
      
   Tom Roberts il 13/03/2023 05:34:17 ha scritto:   
   >>>> An observer riding any particle of the string or sling stone   
   >>>> feels the centripetal force of the innermost adjacent particle Yes.   
   >>>> and the centrifugal force of the outermost adjacent particle.   
   >>> Nope.   
   >>   
   >> Nope? If you put yourself in the shoes of any particle of the string   
   >> or stone, do you feel that the innermost adjacent particle pulls you   
   >> towards the center and don't you feel that the outermost adjacent   
   >> particle pulls you to the opposite side?   
   >   
   > The adjacent particle on the outside exerts the centripetal force that   
   > constrains the observer to move in a circle...   
      
   What you wrote is absurd!   
      
   The force that the innermost particle exerts on the outermost one and   
   that that the outermost particle exerts on the innermost one cannot   
   both be centripetal!   
      
   If one is centripetal, the other must be centrifugal, and vice versa.   
      
   Luigi.   
      
   --- SoupGate-Win32 v1.05   
    * Origin: you cannot sedate... all the things you hate (1:229/2)