A simply supported beam of length L carries a uniformly distributed load of 6000 N/m and has the cross section shown in Fig. P-585. Find L to cause a maximum flexural stress of 16 MPa. What maximum shearing stress is then developed? - See more at: http://www.mathalino.com/reviewer/mechanics-and-strength-of-materials/solution-to-problem-585-design-for-flexure-and-shear#sthash.dyJcfIWQ.dpuf