What is the difference between: first moment of area and second moment of area?

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asked Oct 8, 2017 125k views

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Valentin Garreau · Answer 1 · 2017-10-13T19:06:55+0000

To determine the centroid of the object first moment of area is used.

To predict the resistance of a shape to bending and deflection which are directly proportional, second moment of area is used.

What is the difference between: first moment of area and second moment of area?

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