A beam having a cross section in the form of a channel (see figure) is subjected to

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A beam having a cross section in the form of a channel (see figure) is subjected to a bending moment acting about the z axis.
Calculate the thickness t of the channel in order that the bending stresses at the top and bottom of the beam will be in the ratio 7:3, respectively.
A beam having a cross section in the form of
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Mechanics of Materials

ISBN: 978-0495438076

7th edition

Authors: James M. Gere, Barry J. Goodno

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