Question: please solve and show all formulas used. . A nominal 3X12 timber beam, as shown, is the beam used subjected to a vertical ioad. For

please solve and show all formulas used.

. A nominal 3X12 timber beam, as shown, is the beam used subjected to a vertical ioad. For max. bending strength, the beam is oriented so that the 12" inch dimension is vertical. Calcuiate section modulus with respect to the axis of bending (int-XL Use dressed dimensions. [20 Points]

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