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Center of Mass as an Average Point

The first mom...

Question

The first moment of area about the axis of bending for a beam cross section is

A

moment of inertia

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B

section modulus

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C

shape factor

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D

polar moment of inertia

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Solution

The correct option is B section modulus
Section modulus
Moment of area $\Rightarrow u n i t : c m^{3}$

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