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-   -   Gravity/electromagnetism relationship (https://www.askmehelpdesk.com/showthread.php?t=116220)

  • Aug 3, 2007, 01:30 PM
    spacefire5458
    gravity/electromagnetism relationship
    How is gravity related to electromagnetism I know that the equation for gravity and coulomb's law are basically the same but how can they be related when the strength of the forces are so dramatically different? :confused:
  • Aug 3, 2007, 01:45 PM
    Capuchin
    Electromagnetism and gravity have not been linked together. Their formula are similar because they are both inverse square relationships, not because of any physical similarity.
  • Aug 3, 2007, 01:55 PM
    spacefire5458
    Do you think that there would ever be a possibility that they would ever be linked together?:D
  • Aug 3, 2007, 01:56 PM
    Capuchin
    The hope is to link all of the fundamental forces into a single theory, but that's a long way off yet, if it's even possible :)

    The electromagnetic and weak force have already been linked in electroweak theory.

    Electroweak interaction - Wikipedia, the free encyclopedia

    Gravity looks like it will be the hardest one to incorporate.
  • Aug 3, 2007, 02:12 PM
    spacefire5458
    Does the strong force have the inverse square relationship?:)
  • Aug 3, 2007, 02:18 PM
    Capuchin
    Nope, it goes as so it dies off VERY fast as you move further away. It is only really felt between nucleons.
  • Aug 3, 2007, 02:22 PM
    spacefire5458
    :) :) While gravity and electromagnetism is 1/R^2 and the strong force is 1/R^7 is that right cause if it is that was a huge help!!
  • Aug 3, 2007, 02:35 PM
    Capuchin
    I'm not totally sure that's right, but the strong force is negligible at few femtometers radius.
  • Aug 3, 2007, 02:49 PM
    spacefire5458
    :) Newton's law of universal gravitation - Wikipedia, the free encyclopedia

    it says Gm1m2/r^2 and coulomb's law is Kc q1q2/R^2 so if the strong force is 1/r^7 as it says on wikipedia then doesn't that mean if the particles get just a little bit away that the force gets much smaller. So even though at short distances it is strong because of 1/r^7 and the other forces are stronger at large distances because the force is not being divided by r^7 only r^2 is that right I think I'am confusing myself.
  • Aug 3, 2007, 04:16 PM
    Capuchin
    That's right, the strong force is incredibly strong at short range, but gets weak very quickly.

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