Study Guide for Quiz 4
This guide is not providing “answers” for the conceptual questions. It is a list of topical concepts
and their application you should be familiar with. It is an aid to help prepare for the quiz.
Covers material of Lectures 8 & 9
Composite shape
Centroid, moment of inertia, Q, radius of gyration
Negative area method
Parallel axis theorem
Neutral axis, section modulus, Q, extreme fiber
Stiffness (relative to EI/L through Δ)
Maximum bending stress (& location along length and in cross section)
Maximum shear stress (& location along length and in cross section)
Maximum shear stress by beam shape (proper equations)
Shear flow and shear center
Connected area
Nail capacity and pitch for resisting longitudinal shear
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