As for like repelling like that is the normal expected behavior for any field who's energy density is proportional to the square of the field strength. Combining two like particles doubles the field strength and multiplies the energy by 4. It therefore takes energy to push them together. When the two particles repel that energy is released.

 

It is therefore passive gravitational mass that is weird even though that is what we are used to seeing

Edited September 24, 20169 yr by granpa

As for like repelling like that is the normal expected behavior for any field who's energy density is proportional to the square of the field strength.

 

Please provide a reference that supports this.

 

And I am still waiting for the reference to the "well known" fact of active and passive mass.

http://physics.stackexchange.com/questions/19228/physical-meaning-of-the-energy-density-of-an-electrostatic-field

 

And the rest is trivial

Edited September 24, 20169 yr by granpa

http://physics.stackexchange.com/questions/19228/physical-meaning-of-the-energy-density-of-an-electrostatic-field

 

And the rest is trivial

 

 

That doesn't seem to say anything about masses repelling nor about active and passive mass.

 

Perhaps you could try again. Maybe a reference to a published paper where these things are discussed. Apparently it is well known, so it shouldn't be too hard.

!

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