Question
The beam is constructed from two boards fastened together at the top and bottom with two rows of nails spaced every 6 in. If each nail can support a 500 -Ib shear force, determine the maximum shear force $V$ that can be applied to beam.
Step 1
The moment of inertia $I$ is given by $\frac{1}{12} \times 6 \times 4^3 = 32 \, in^4$. The first moment of area $Q$ is given by $1 \times 6 \times 2 = 12 \, in^2$. Show more…
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