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Chapter 9: Shear Stress In Beams
M9.7: Shear Stress in a Sign Post
Moment of Inertia About the z Axis
State the Problem
Plan the Solution
Table of Contents
Shear Force V
Moment of Inertia About the z Axis
Section Properties Q and t
Compute the Shear Stress
Finished
scene
5
of
8
The moment of inertia
I
of the structural tube about the
z
-axis can be calculated from:
