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A beam section with a larger section modulus will have higher maximum stress. True or False?

Question

A beam section with a larger section modulus will have higher maximum stress. True or False?

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Solution

False. A beam section with a larger section modulus will have lower maximum stress. The section modulus is a measure of the beam's resistance to bending. Therefore, a larger section modulus means that the beam can resist bending better, resulting in lower maximum stress.

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