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Tides...and how they work.

  1. _Zade_Johnston
    Cupcake Mar 22, 2018

    _Zade_Johnston , Mar 22, 2018 :
    The Earth is bigger than the moon that is true and so it does exert a bigger force on the moon than the moon does to the Earth. But the moon does exert a force on the Earth, and this force is stronger the closer you are to the moon. This means the force pulls on the oceans on the side of the Earth facing the moon more than the Earth beneath it, giving a high tide.

    This only accounts for one out of the two high tides, however. Where does the second one on the other side of the Earth come from?
    Without getting too deep into the physics of it, here's basically what happens. The moon exerts a stronger force on the Earth than it does on the ocean on the side of the Earth directly opposite the moon. From the ocean's point of view, the earth is being pulled away; from our point of view the ocean is rising up. This gives the second high tide.

    These high tide points are always directly beneath and directly opposite the moon. We get high tides in different locations because the Earth moves beneath these points as it spins on its axis.
     
    Last edited: Mar 22, 2018

  2. Rusty NZ
    Marshmallow Mar 22, 2018

    Rusty NZ , Mar 22, 2018 :
    There is too much talk about gravitational pull in this thread which is just nonsense.
    images (48).jpeg
     

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  3. Bobbie63
    Marshmallow Mar 22, 2018

    Bobbie63 , Mar 22, 2018 :
    Sometimes it sucks more than other times, hence low tide and high tide
     

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  4. sfomin
    Nougat Mar 22, 2018

    sfomin , Mar 22, 2018 :
    pretty sure its caused by santa going for a swim at the pole. When he's in, we have high tide. When he's out, we have low tide...
     

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  5. G_Avee_B_Xaxb
    Jelly Bean Mar 22, 2018

    G_Avee_B_Xaxb , Mar 22, 2018 :


    marcusskyfall

    Exactly what I found out. So how can the moon which is several times smaller than the earth be the explanation for tides. That's what I'm trying to find an answer for. Do you see what I'm meaning?​


    our small moon is powerful, it makes the earth rotates faster when closer and never when gone.
     
    Last edited: Mar 22, 2018

  6. marcusskyfall
    Jelly Bean Mar 22, 2018

    marcusskyfall , Mar 22, 2018 :
    Proof?
     

  7. G_Avee_B_Xaxb
    Jelly Bean Mar 22, 2018


  8. Chungtd
    Gingerbread Mar 22, 2018

    Chungtd , Mar 22, 2018 :
    Plz don't. He is the only one person asking for that.
    The rest of us did not. I still want to see the moon up there.
    Thank you!

     

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  9. G_Avee_B_Xaxb
    Jelly Bean Mar 22, 2018

    G_Avee_B_Xaxb , Mar 22, 2018 :
    [e]1f602[/e][e]1f602[/e][e]1f602[/e]
     

  10. Hydra Bob
    Marshmallow Mar 22, 2018

    Hydra Bob , Mar 22, 2018 :
    And on today's episode of ELI5! Tides and why they don't make the ocean spill off the edge of the earth!:rolleyes:
     

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  11. Horsault
    Marshmallow Moderator Mar 22, 2018

    Horsault , Mar 22, 2018 :
    I think they did it in Cosmos 1999, didn't they?
     

  12. funmunke
    Marshmallow Mar 23, 2018


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  13. funmunke
    Marshmallow Mar 23, 2018


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  14. Never Subtle
    Ice Cream Sandwich Mar 25, 2018


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  15. Bouncer71
    OnePlus 7 Pro Sample Shot Photographer Mar 25, 2018

    Bouncer71 , Mar 25, 2018 :
    gravity especially sucks every morning when I have get up...
    my bed seems to have it's own gravitational force field....
    more like an supermassive blackhole...
     

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  16. Bobbie63
    Marshmallow Mar 25, 2018

    Bobbie63 , Mar 25, 2018 :
    Alcohol also seems to have an influence on gravity. :)
     

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  17. Bouncer71
    OnePlus 7 Pro Sample Shot Photographer Mar 25, 2018

    Bouncer71 , Mar 25, 2018 :
    and on angular momentum...
    XD

    Someone should test how many beers you need to feel 2G, 3G, 4G...
    Until the reverse effect of feeling zero G with heavy rotation...
     
    Last edited: Mar 25, 2018

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  18. Bobbie63
    Marshmallow Mar 25, 2018

    Bobbie63 , Mar 25, 2018 :
    Maybe we should ask him, he seems to try to defeat gravity, sort of.......... kinda..........

     

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  19. Bouncer71
    OnePlus 7 Pro Sample Shot Photographer Mar 25, 2018

    Bouncer71 , Mar 25, 2018 :
    ROTFL...!!!
    he's the man...
    he's definitely the man...!!!
    8D
    ahhh... hilarious....!
     

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  20. Matt 80
    Lollipop Mar 25, 2018

    Matt 80 , Mar 25, 2018 :
    mgc.gif