First Moment of Area in Strength of Materials Formulas

The First Moment of Area of a shape, about a certain axis, equals the sum over all the infinitesimal parts of the shape of the area of that part times its distance from the axis [Σ(a × d)]. And is denoted by Ay. First Moment of Area is usually measured using the Cubic Millimeter for First Moment of Area. Note that the value of First Moment of Area is always positive.

Strength of Materials formulas that make use of First Moment of Area

fxBeam Shear StressGo

fxShearing StressGo

FAQ

What is the First Moment of Area?

The First Moment of Area of a shape, about a certain axis, equals the sum over all the infinitesimal parts of the shape of the area of that part times its distance from the axis [Σ(a × d)]. First Moment of Area is usually measured using the Cubic Millimeter for First Moment of Area. Note that the value of First Moment of Area is always positive.

Can the First Moment of Area be negative?

No, the First Moment of Area, measured in First Moment of Area cannot be negative.

What unit is used to measure First Moment of Area?

First Moment of Area is usually measured using the Cubic Millimeter[mm³] for First Moment of Area. Cubic Meter[mm³], Cubic Inch[mm³] are the few other units in which First Moment of Area can be measured.

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