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Math Help - centre of gravity

  1. #1
    Newbie bandy1989's Avatar
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    Nov 2008
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    centre of gravity

    have managed to work out th centre of gravity by splitting the shape up into a rectagle and triangle
    but i dont know how to combine them to get a c.o.g for he full shape.
    the informaion is attatched.
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  2. #2
    Member
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    Dec 2008
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    If we have two mass point than the centre of gravity is the weighted mean:

    \vec r = (m_1*\vec {r_1} + m_2*\vec {r_2}) : (m_1 + m_2)
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