Re: [Phys-L] More on Gravity Waves

[Aburr@aol.com]

In a message dated 4/25/2016 2:35:51 P.M. Mountain Daylight  Time, Kowalski 
writes:

Suppose  the ball M is pushed suddenly toward the ball m  (along 
> > >  the line connecting the two centers of mass).
I do not think his example has anything to do with tides. It is just plain  
old Newtonian gravity with a periodic increase of force between the bodies. 
 Instead of the small mass, put a whole string of gravity meters along the 
line  of travel of the large mass, Plot their readings vs time. You will get 
a  variation which looks just the same as the amplitude of a traveling wave 
on a  wire.(Amplitude decreasing with distance from M). That's his wave.
Of course it is not a gravitational wave. It may not even be a wave  
according to the definition discussion earlier. But it looks like a wave and is  
connected with gravity. Of course it may mot have any utility in a  
discussion of the recently discovered gravity waves, but that depends greatly on  the 
knowledge already possessed by the discussants and the purpose of the  
discussion.