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If the section modulus of a beam is increased the bending...

This question belongs to Mechanical Engineering Strength Of Materials In ME
Strength of Materials in ME
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If the section modulus of a beam is increased, the bending stress in the beam will

Answer & Solution
Correct Answer: Option C
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Saurav Kumar
Saurav Kumar 4 years ago
M/I=E/R=sigma/y
taking.
M/I=sigma/y
Sigma=My/I
So,
Sigma=M/(I/y)
Here I/y is section modules..
So simga that is bending stress is inversely proportional to section modules..

Final conclusion,...

section modulus of a beam is increased, the bending stress in the beam will decrease..
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