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    Miia's Avatar
    Miia Posts: 3, Reputation: 1
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    #1

    Oct 18, 2007, 08:04 PM
    Force of Gravity
    A hollow tube is cored out through the center of the Earth to the opposite side. You jump into the tube and begin falling to the earth. When you are half way to the center how would the force of gravity at that point compare to what it was when you were on the surface.. would it be higher, lower, or the same as the surface gravity.
    bignaked101's Avatar
    bignaked101 Posts: 151, Reputation: 6
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    #2

    Oct 18, 2007, 08:13 PM
    It would be very much higher, considering that if you are traveling down a tube for that long, the air resistance would break, and you would reach terminal velocity.

    But if you are talking about JUST gravity, then the gravity down there would be MUCH higher considering that it is the core of the earth that pulls us down.
    Capuchin's Avatar
    Capuchin Posts: 5,255, Reputation: 656
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    #3

    Oct 18, 2007, 11:45 PM
    At the center of the Earth, the gravitational force would be zero. All the mass pulling you down would have the same force as all the mass pulling you up.
    bignaked101's Avatar
    bignaked101 Posts: 151, Reputation: 6
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    #4

    Oct 19, 2007, 11:32 AM
    I don't know man I'm not a science geek.. I was just guessing...
    Capuchin's Avatar
    Capuchin Posts: 5,255, Reputation: 656
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    #5

    Oct 19, 2007, 11:38 AM
    What's geeky about studying science?
    bignaked101's Avatar
    bignaked101 Posts: 151, Reputation: 6
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    #6

    Oct 19, 2007, 11:50 AM
    It's just not my cup of tea... Nothing is geeky about it... but if you over do anything you are a geek of that specific subject... I'm not calling you a geek either... I'm just saying if I was a geek about anything it would be surfing that's it...
    Capuchin's Avatar
    Capuchin Posts: 5,255, Reputation: 656
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    #7

    Oct 19, 2007, 12:03 PM
    Isn't guessing a fairly poor practice on a site where people will be expecting correct answers?

    :)
    bignaked101's Avatar
    bignaked101 Posts: 151, Reputation: 6
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    #8

    Oct 19, 2007, 04:37 PM
    The practice of trying to help people out isn't poor at all though.. so Touché
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