There is a big difference between "does not exist" and "net force =
zero."

"Bill" wrote:
Yes there is. But how does one tell the difference?


By pondering the difference between physics and semantics.

If they were the same thing, we wouldn't need two different words for
them, now would we?


I'd like to be regraded.


True.
Very good, your average is improving.

Please provide more details on your machine for using the Earth's
rotation as a power source. Sounds like a great idea as long as we can
keep it a secret from Al Gore.

DSK