XPost: sci.math   
   From: ivsks@na.ru   
      
   Ross Finlayson wrote:   
      
   > rest/rest motion/motion equal/opposite <- isn't that three laws?   
   > F = ma <- that's also F(t) = m d^2 x /dt^2, differential d   
      
   finally a one that can read. And when you have no spatial change, that   
   force is zero? Can you see now why that's a constant, named g, and not an   
   acceleration. Tell it to your friend pointedhead, what a waste of time   
      
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