From: "Geo" 

"Adam Flinton"  wrote in message
news:42866c8b$1{at}w3.nls.net...

> > Ok, stand there for 3 days and tell me you didn't use up any energy the
> > floor boards are pushing on the joists, and them on the foundation and
the
> > foundation on the ground and beneath the ground is great pressure being
> > converted to heat among other things. As for gravity not using energy,
> > that's exactly what I'm saying isn't the case, gravity does use energy,
it
> > has to, it's just not clear where the power behind gravity comes from.

> Potential difference.

If you are not on the ground but instead floating in space when you come
into earth's gravitational field, what happens to you?

You see it as potential (is that kenetic?) energy because your point of
view begins at ground level, if you were born in space would you still see
it that way?

Geo.

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