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Problem $03\mathrm{.}046-$ A cantilevered beam

A cantilevered beam is loaded as shown. The cross section at the wall is shown, with points of interest $A($at the top$),B($at

the center$),$ and $C($midway between A and $B).$

Problem $03\mathrm{.}046.$b $-$ Calculate the magnitudes of the stresses acting on the stress elements

Calculate the magnitudes of the stresses acting on the stress elements. Do not neglect transverse shear stress.

The magnitude of stresses acting on the stress elements are as follows:

At element $A,$

${}_A=,$MPa and ${}_A=,$MPa

At element B$,$

$\{$:${}_B=,]MPa$ and ${}_B=,|MPa($Round the final answers to three decimal places.$)$

At element $C,$

${}_C=11\mathrm{.}538$MPa and ${}_C=,$MPa $($Round the final answers to three decimal places.$)$