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3 cards from this section. Quick, good the night before a test.
Define Poisson's ratio in the context of beam deformation.
Think about how materials expand in different directions.
What is a neutral axis?
Consider the behavior of fibers in tension and compression.
What shape does the cross-section of a beam take under pure bending?
Visualize how the different sections of the beam react as it bends.
True or False: The neutral axis experiences tensile strain.
Think about what happens to fibers at the neutral axis—do they stretch or compress?
A beam is subjected to pure bending and its neutral axis is determined. If the height h of the cross-section increases, what would be the effect on the location and shape of the neutral axis?
Evaluate how increasing dimensions alters centroid and strain distributions.
Describe how the trapezoidal shape influences the design of a beam in real-world applications such as bridges or beams in structures.
Think about how real-world loads differ over spans and how structural integrity is maintained.
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