From: dr.j.thornburg@gmail-pink.com   
      
   In article  Luigi Fortunati wrote:   
   > Suppose that body A has mass M=1000 and body B has mass m=1 [[...]]   
   >   
   > If another unit mass 1 is added to body B, its mass doubles to m=2 and   
   > the force acting between the two bodies also doubles, [[...]]   
   >   
   > But if the other unit mass is added to body A (instead of body B) the   
   > mass of A will become equal to M=1001 (remaining almost unchanged) just   
   > as the force between the two bodies remains practically unchanged [[...]]   
   >   
   > Why does the force acting between the two bodies double if we add the   
   > unit mass to body B and, substantially, does not change if we add it to   
   > the mass of body A?   
      
   Why not?  Why might we expect the effects of adding mass in one location   
   (A) to be the same as those of adding mass in a different location (B)?   
      
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   -- "Jonathan Thornburg [remove -color to reply]"    
      on the west coast of Canada   
      
   --- SoupGate-DOS v1.05   
    * Origin: you cannot sedate... all the things you hate (1:229/2)