Talk:First moment of area

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Is the "First moment of area" the same as "Centroid"? ...or what is the difference?—The preceding unsigned comment was added by 137.222.120.137 9:45, 1 May 2007 (UTC)).

First moment of area is equivalent to the distance from the neutral axis to the centroid of the area times the area.?—The preceding unsigned comment was added by BishopUser 19:15, 1 May 2007.

I think the "Definition" section would be much clearer with a diagram showing the area that dA refers to, along with the x-axis. Conceptually, I find this hard to get to grips with (and I did physics at university!). —The preceding unsigned comment was added by 194.176.105.40 08:57, 3 May 2007.

SteveMc 19:46, 5 November 2007 (UTC)

This page needs some graphics to help understand these concepts. If I have time I will try to create and upload them. SteveMc 14:36, 7 November 2007 (UTC)