Question: A simple beam of rectangular cross section has span length L = 62 in. and supports a concentrated moment M = 560 k-in at midspan

A simple beam of rectangular cross section has span length L = 62 in. and supports a concentrated moment M = 560 k-in at midspan (see figure). The height of the beam is h = 6 in. and the width is b = 2.5 in.
Plot graphs of the principal stresses (1 and (2 and the maximum shear stress tmax, showing how they vary over the height of the beam at cross section mn, which is located 24 in. from the left-hand support.

M at rt

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