From: mikko.levanto@iki.fi   
      
   On 2025-04-05 20:31:24 +0000, Luigi Fortunati said:   
      
   > Newton's third law says that if body A exerts a force on body B, body B   
   > reacts with an equal and opposite force against body A.   
   >   
   > Newton, speaking of inertia, says: "A body exerts this force [inertia]   
   > only, when another force, impressed upon it, endeavors to change its   
   > condition".   
   >   
   > It seems that he is talking about exactly the same forces.   
   >   
   > If not, what differences are there between the two?   
      
   Newton's language and the language of Motte's translation are archaic.   
   Current language is cleared but it was developed much later.   
      
   Inertia is not a force. It is a phenomenon. Force is a number or vector   
   that quantifies an interaction.   
      
   --   
   Mikko   
      
   --- SoupGate-DOS v1.05   
    * Origin: you cannot sedate... all the things you hate (1:229/2)