Why do like charges and poles repel in the long run?

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Discussion Overview

The discussion revolves around the nature of electric and magnetic forces, specifically why like charges and magnetic poles repel each other over time. Participants explore the implications of these forces in the context of energy minimization and the universe's structure, touching on concepts from gravity to the origins of the universe.

Discussion Character

  • Exploratory
  • Conceptual clarification
  • Debate/contested

Main Points Raised

  • One participant suggests that all forces aim to minimize energy, questioning why electric and magnetic forces exhibit repulsion when they could be at lower energy states when infinitely apart.
  • Another participant argues that if like charges did not repel, it would lead to significant consequences for the universe, including the behavior of charged particles and phenomena like static electricity.
  • A different viewpoint posits that the universe's initial state involved work done to separate charges, implying that gravity would eventually pull them back together, raising questions about the role of repulsive forces in this context.
  • One participant humorously acknowledges the complexity of the discussion, particularly regarding the universe's accelerating expansion and its implications for forces at play.

Areas of Agreement / Disagreement

Participants express differing views on the nature of repulsive forces and their implications for the universe, indicating that multiple competing perspectives remain without consensus.

Contextual Notes

Participants reference concepts such as energy minimization, gravitational effects, and the universe's expansion, but there are unresolved assumptions regarding the interplay of these forces and their implications for the state of the universe.

Denton
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All the forces aim in the direction of minimising their energy to be as low as possible. Gravity pulls things down, energy was put into the object to move it away in the start however gravity is only attractive. It doesn't make sense that with the electric and magnetic forces to have a repulsive quantity to them. They are at lowest energies when they are infinitely appart?

Could there be some reason why in the long run same charged particles or same pole magnetic fields repell?
 
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How else could it be ? If like charges did not repel, the universe would fall apart ( and people's hair would not stand up in that freaky way).

Gravity pulls things down
The moon's gravity is pulling me 'up' when it is overhead !

It doesn't make sense that with the electric and magnetic forces to have a repulsive quantity to them.
Why not ?
 
The universe started at one point. Work was done to move them appart to where they are now, so i assume they will come back together due to gravity (dont kill me on this one lol, i know the universe is accelerating but bear with me). Since they have repulsive quantities to them, they would not be in a state of rest prior to the big bang so how could there be an outside force there keeping them together if all known energy of the universe is there at that exact spot.
 

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