The simply supported beam is made of timber that has an allowable bending stress of and
Chapter 11, Problem 11-1(choose chapter or problem)
The simply supported beam is made of timber that has an allowable bending stress of \(\sigma_{\text {allow }}=6.5 \mathrm{\ MPa}\) and an allowable shear stress of \(\tau_{\text {allow }}=500 \mathrm{\ kPa}\). Determine its dimensions if it is to be rectangular and have a height-to-width ratio of 1.25.
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