# Supposing Strange Things (?)

It is well known that the electric force is very stronger than gravitational force, but can someone tell me. How different woud be out universe if gravitational force were stronger than electric force?

Note by Hjalmar Orellana Soto
1 year, 10 months ago

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If thats the case. There won't be any atoms or molecules as they are bonded due to electrostatic force. No humans would exist as they are made of atoms.

- 1 year, 10 months ago

Charge is more important intrinsic property of matter than mass. If gravitational forces are stronger then

1. Electron needs more cetrifugel force to remain in orbit. 2.many solid forms of matter is based on electrostatic force and inter molecular forces.
2. All universe will be a big black hole.

- 1 year, 9 months ago

You also need to realise that gravitational force is purely attractive, while the electrostatic force can be attractive or repulsive, based on the interacting particles. Since the gravitational effects are going to dominate in this new universe, everything will tend to collapse, until ranges at whichthe nuclear forces become appreciable.

- 1 year, 10 months ago

About it, I have the theory that out there could be a negative mass, making gravitaional force act just like electrostatic force, but with the difference that is attractive for equal signs and repulsive for different signs and it would explain why we have no evidence of negative mass in our universe.... but is nothing I have studied, only an idea ......

- 1 year, 10 months ago

Yes, the existence of negative mass has not been proved , sadly :(

- 1 year, 10 months ago

I guess the whole universe would become a dense nucleus

- 1 year, 10 months ago

What about the strong nuclear force?

- 1 year, 10 months ago

When we say that the electromagnetic force is stronger than the gravitational, what we are actually comparing is the corresponding interactions between elementary particles. Like Monishwaran pointed out, if this were the case, atoms wouldn't be forming in the way they are today. All particles would clash into each other, and there would be no chemical bonding either.

Or, to invoke the Anthropic Principle, we could say that the gravitational force is actually weak, because had it not been so, we wouldn't have been here to ask the question.

- 1 year, 10 months ago