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Maximum Normal Stress Due to Bending
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For the beam illustrated (see attachment), determine the dimension b for which the maximum normal stress due to bending is 40 MPa.
a) 7.45 mm
b) 8.95 mm
c) 8.33 mm
d) 9.36 mm
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Solution Summary
For a give beam, the stress of bending is found in a Word attachment.
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Solution
We know that section modulus of the rectangular section
Z = bd2/ 6 = b3/6
Normal stress / bending = M / Z
...
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