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Understanding gravity

Discussion in 'Science and Technology' started by Cooky, Jan 1, 2020.

  1. Howard Is

    Howard Is Lucky Mud

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    It sucks
     
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  2. Polymath257

    Polymath257 Think & Care
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    /E: One aspect of this that is initially counter-intuitive is that if the moon slows down in its orbit, it moves *farther away* from the Earth. A slower moving orbiting object is farther away.
     
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  3. Thief

    Thief Rogue Theologian

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    nay

    an orbit is a compromise
    speed vs gravity

    if the moon is truly increasing in orbit.....
    the speed of the moon is 'outweighing' the gravity that now holds it

    all at once...when the orbit fails.....
    the moon will simply disappear on a trajectory determined by that moment of fail

    but that play of worry doesn't help this topic
     
  4. Ouroboros

    Ouroboros Coincidentia oppositorum
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    But it can be a very attractive theory.
     
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  5. Ouroboros

    Ouroboros Coincidentia oppositorum
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    I think the reason why the ocean is slowing the moon down is that the ocean is pulled by the moon's gravity and causing the tides, however, there's a delay in action. Basically, the ocean tide that's pulled by the moon's gravity is slightly behind the moon's orbit. It takes the water a little time to get pulled up. But because it's slightly behind the moon's orbit, it essentially is pulling the moon backwards a little and causing it to slow down.
     
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  6. Brickjectivity

    Brickjectivity Veteran Member
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    The cause and nature of gravity remains uncertain, but the Law of Gravitation is defined. Gravity is a measurement of attraction between masses which so far has had very predictable results when using the right math models. It is believed that the strength of the attraction is affected by the square of the distance and the mass of each object. That is what the measurements show and what the resulting math always predicts. If you could define gravity you'd be very famous. For example if you could incontrovertibly show it was an affect due to some sort of higher dimensional acceleration or was a combination of some other forces you'd be 'The Man' or 'The Lady'. Actually they'd let you pick. You might even get to rename gravity 'The Force Explained by Thief'.
     
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  7. Ouroboros

    Ouroboros Coincidentia oppositorum
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    The there's the law of gravy. You have to let the flour cook out or it won't taste good. :p
     
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  8. Thief

    Thief Rogue Theologian

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    I think of tidal surge as a side effect

    but let's entertain the notion ….the moon is slowing down

    that would bring the orbit......closer
    and eventually....too close
     
  9. Thief

    Thief Rogue Theologian

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    yeah...at this point we agree

    and yeah....I want to be famous

    I haven't had a good ego trip for a long time
     
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  10. Ouroboros

    Ouroboros Coincidentia oppositorum
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  11. Evangelicalhumanist

    Evangelicalhumanist "Truth" isn't a thing...
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    Perfect answer. Too bad you couldn't just do the 3 dimensional representation on a 4-D diagram. You're so limited! :rolleyes:
     
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  12. Evangelicalhumanist

    Evangelicalhumanist "Truth" isn't a thing...
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    That's better! But harder, I think, for a lot of people to grok.
     
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  13. Revoltingest

    Revoltingest I have the kavorka
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    And I'm more limited than most.
     
  14. Evangelicalhumanist

    Evangelicalhumanist "Truth" isn't a thing...
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    Is that a corporate thing? :D
     
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  15. Ouroboros

    Ouroboros Coincidentia oppositorum
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    Thinking about it, it's reversed, isn't it? The moon is slowly moving away, causing it to slow down. Just like pulling your arms in or extending them in a spin will speed you up or slow you down. Somethin' like that?
     
  16. Revoltingest

    Revoltingest I have the kavorka
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  17. Thief

    Thief Rogue Theologian

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    no

    on the small cale you mention....it's speed vs momentum

    orbit...is a bit more
    speed vs gravity

    the moon loses speed...….it will spiral to the earth
    if it gains speed......it will spiral outward until gravity cannot hold it
    then we kiss it goodbye

    but the moon is not going to gain or lose speed
    and the repeat of orbit will play out to reveal
    the speed was enough to keep it where it is
     
  18. Thief

    Thief Rogue Theologian

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    did I miss it?
    has anyone mentioned?... the difference between mass and weight
     
  19. Ouroboros

    Ouroboros Coincidentia oppositorum
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    Don't think so. It's probably up to you to do that now. :D
     
  20. Heyo

    Heyo Well-Known Member

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    That is the dogma that keeps the graviton alive. But nobody is actively looking for it. The enery levels, as you said, are out of this world, even for the lowest of the widely different predictions. And, akaik, I may not be up-to-date, the theorist still haven't solved the self interaction paradox.
     
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