The beam is constructed from three boards. Determine the maximum loads P that it can support if the allowable shear stress for the wood is tallow = 400 psi. What is the maximum allowable spacing s of the nails used to hold the top and bottom flanges to the web if each nail can resist a shear force of 400 lb?

Problem 7-38The beam is constructed from three boards. Determine the maximum loads P that it can supportif the allowable shear stress for the wood is t allow 400 psi. What is the maximum allowablespacing s of the nails used to hold the top and bottom flanges to the web if each nail can resist ashear force of 400 lb Step-by-step solution Step 1 of 14 ^Draw the free body diagram of the beam.