• Question: Why does matter exert a gravitational force?

    Asked by salej014 to Emma, Jimmy, Janet, Niall, Simon on 18 Mar 2013.
    • Photo: Niall Crawford

      Niall Crawford answered on 18 Mar 2013:

      We can’t explain fundamental forces, we can only test them.

    • Photo: James Holloway

      James Holloway answered on 18 Mar 2013:

      Its one of the fundamental forces of the universe, one of the building blocks. Why don’t know why they universe has the basic forces that it does, only how those forces interact to make all the other complex things we see.

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