On Mon, Apr 15, 2013 at 2:01 AM, David Roberson <[email protected]> wrote:
> > >If that is true, then it follows that the Earth is doing work on > > I think that the remainder of your sentence was cut off here Harry. > By analogy with your steel/magnet analysis the Earth is doing work on a falling apple and during that process the Earth's gravity is getting a little weaker. Harry
