A simply supported beam AC of length L=4 m supports a concentrated load W =1.0 kN that hangs from the beam at B, as shown in fig section of the beam is 40 mm × 60 mm. Determine the flexural stress σ(x, y) and shear stress τ(.t, y) at three levels—y = 0 mm, y =10 mm, and y = 20 mm—on the cross section just to the left of the load point B.

 

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60 mm 40 mm m 3 m W 60 mm 40 mm m 3 m W