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| Re: Pressure
Forum List | Follow Ups | Post Message | Back to Thread Topics | In Response To Posted by Bigelow on November 30, 1999 03:56:47 UTC |
: : But isn't pressure caused by the gravitational attraction of the mass involved? In other words at the center of a neutron star the pressure is very great, but only because of the mass involved. It doesn't seem like pressure is an independent variable but is only an effect of a gravitating mass. : Who said the pressure p always had to be independent of the gravitation due to the mass? It can taken to be an independent variable for some hypothetical scenarios, but needn't be for others. The equation I gave is good for more than just neutron stars. The same would go for the mass density r except that its being approximated by an ideal fluid. But isn't that double counting? You take the curvature caused by the mass and increase it because of the pressure caused by the mass. |
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