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Thread: Gravitational Direction

  1. #1 Gravitational Direction 
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    I do not know much in regards to physics, so in advance, thank you for your patience. I am curious as to whether or not there is a way to alter the direction of gravity. If so, please explain.
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  2. #2  
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    Quote Originally Posted by wannalearn View Post
    I do not know much in regards to physics, so in advance, thank you for your patience. I am curious as to whether or not there is a way to alter the direction of gravity. If so, please explain.
    There are several ways to interpret your question, leading to different possible answers. If I interpret your question as "Given some masses, can anything be done to convert their mutual gravitational attraction into mutual gravitational repulsion?" To that question, I think that the answer is no.

    If, instead, your question is "Can there exist some collection of masses that exhibit mutual repulsion?" the answer could be yes. Current theories do not preclude matter-antimatter gravitational force of an algebraic sign that is opposite to that of matter-matter interactions. Although we have created anti-atoms in particle accelerators, we haven't produced enough of them to provide an unambiguous experimental determination of their gravitational properties (remember: The electrostatic force between two electrons is 42 orders of magnitude larger in magnitude than the gravitational force, so the experimental difficulties are tremendous). The possibility of repulsion is an area of active theoretical and experimental endeavour.
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