> > > ----- Original Message ----- > From: Mauro Lacy <[email protected]> > Date: Friday, October 23, 2009 1:02 pm > Subject: Re: [Vo]:Gravity role in fusion > >> > >> > >> > ----- Original Message ----- >> > From: Mauro Lacy <[email protected]> >> > Date: Friday, October 23, 2009 11:36 am >> > Subject: Re: [Vo]:Gravity role in fusion >> > >> >> > >> >> > On Oct 23, 2009, at 4:26 AM, Mauro Lacy wrote: >> >> > >> >> >> Horace Heffner wrote: >> > >> >> > >> >> > Not true. >> >> >> >> Why you say that? Do you know according to which law an apple falls >> >> inside a hole on the Earth, by example? >> > >> > One can predict the gravitational acceleration inside the Earth >> using> Newton's law of gravity. >> >> And that acceleration will not conform to an inverse of the square >> of the >> distance law. Which proves my point: you cannot make assumptions >> based on >> Newton's law for distances smaller than R(where R is the radius of the >> greater of the masses). That is, you cannot deduct behaviour for a >> system,with a set of rules that are outside their contourn conditions. >> Which was exactly what I was trying to show. >> > > Hmm two sources of gravity come to mind. > The gravitational acceleration of the earth on the system undergoing > fusion, > and the internal gravitational acceleration of parts of the system due > to the system's own mass. Is it the latter acceleration that you mean > does not conform to an inverse square law of gravity?
If you model the rate of change of acceleration with radius, you'll notice that that rate of change does not conform to the inverse square law when inside the Earth. > > Harry > >
