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Poppycock. Consider three billiard balls. There is a mutual gravitational attraction between all three and they are all made of the same material right through. What determines the polarity of the red, black and white balls? Or a neutron star. Zillions of identical uncharged particles all held together by....er....
Why do you try to make everything more complicated than it is?
Mass is what gives a body its gravitational field. Charge is what gives a body its electrostatic field. As far as we know there is only one type of mass, but two types of charge. It also turns out that inertial mass and gravitational mass are identical to a very high degree of confidence. The force between masses m1 and m2 is proportional to the product m1m2 and is always positive. The force between charges is proportional to -q1q2 and is therefore positive (attractive) or negative (repulsive) depending on the sign of each q. Now what could be simpler than that?
Please provide an example of negative gravitation. Your Nobel Prize awaits.
Utter poppycock throughout.Please learn some basic physics, such as the meaning of "density" and Archimedes Principle before I waste any more time with you.
Never mind theory. Show me an example of two masses that do not attract one another. And don't confuse yourself with buoyancy, because that necessarily involves a third mass for which even you can't assign a polarity!
More drivel Please provide an instance of gravitational repulsion.
By adding energy to air , the air gains positive mass that in effect cancels out the negative mass flow that is attracted to the positive mass of the core and ground.
Fire rises, fire is positive mass, burning embers rise.
Lavoisier showed that this was wrong.
When it is trapped behind an event horizon and pointing inward toward a singularity?
The Box : E=mc² is exactly the same as F=ma² when (c) and (a) are accelerations of the same magnitude?