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If what goes up must come down does that mean what goes down must come up? watch

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    and must up and down and down and up at the same time.
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    yes, like a penis.
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    Throwing a rock into water and the rock doesn't come back up. So no.
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    (Original post by spanker)
    Throwing a rock into water and the rock doesn't come back up. So no.
    It might come back up eventually - in like billions of years
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    yes - let's blaze one up tonight
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    (Original post by spanker)
    Throwing a rock into water and the rock doesn't come back up. So no.
    it would if the buoyancy force is greater than the weight of the rock (doubt it though)
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    (Original post by dzzzzh)
    and must up and down and down and up at the same time.
    no because the force of gravity is towards the earth, not away from it.
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    no
 
 
 
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