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View Diary: Weekly Physics: Equations of Motion (63 comments)

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  •  I might add (1+ / 0-)
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    drache

    Newton postulated that gravity was an attractive force caused by the mass of the two bodies that are being accelerated toward one another.  This does not answer the question of why this happens, so we still do not really know what causes it.

    PS  Explaining this is harder than I thought.

    •  indeed (0+ / 0-)

      I thought about the mass part of course there is the famous (to physicists) experiment that proved masses do attract one another.

      But like you pointed out the fundamental question remains unanswered.

      Our understanding of gravity is disturbing incomplete and while I hold out hope for the graviton (the force carrier for gravity) that still doesn't help us.

      A song about life
      Why aren't you more like Gandhi? Why aren't I?

      by drache on Sun Jun 07, 2009 at 10:17:07 PM PDT

      [ Parent ]

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