What is gravity?

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Gravity
Why do two masses attract each other? Please do not say "due to gravity". What is the physical explanation?
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  • AndreaF
    This site is for Information technology Questions & Answers......I think you are looking in the wrong place for your homework answers.
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  • TheRealRaven
    Agreed that this site has essentially nothing to do with this type of question.

    However, current evidence/experiments and observations do not indicate that two masses attract each other via "gravity". Gravity does not appear to be an attractive force between masses.

    A better way to think of it is that space and mass resist each other's presence. You can think of it like mass pushing against space so that space "thins out" near the mass. If some other mass is moving nearby, it will also have a thinned out region around it. As the two masses get closer together, the two thinned out regions make it easier for the two masses to move even closer.

    There is less "resistance" in the regions around the masses, so the two masses tend to follow paths of least resistance. It's easier for them both to move into the area between them, so it appears as if they are "attracting" each other.

    That's not really how current science describes what happens, but it should get you started thinking in the right direction. It's a much better description than thinking about "attraction" if you eventually want to learn what gravity is.
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