The beam is made of timber that has an allowable bending stress of u allow = 6.5 MPa and
Chapter 15, Problem 15-1(choose chapter or problem)
The beam is made of timber that has an allowable bending stress of u allow = 6.5 MPa and an allowable shear stress of r allow = 500 kPa. Determine its dimensions if it is to be rectangular and have a height-to-width ratio of 1.25. Assume the beam rests on smooth supports.
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