PART II Show your work to receive partial credit. 4. (15 points) The wooden built-up beam with cross section shown is ma

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Part Ii Show Your Work To Receive Partial Credit 4 15 Points The Wooden Built Up Beam With Cross Section Shown Is Ma 1 (97.87 KiB) Viewed 25 times

PART II Show your work to receive partial credit. 4. (15 points) The wooden built-up beam with cross section shown is made of four boards held together as shown at the nailed joints A and B. The longitudinal spacing between the nails are s= 3 in. and s=4 in. at joints A and B respectively. (a) For an applied vertical shear force V = 480 lb, determine the largest transverse shear stress in the wood. (b) If the shear force is not to exceed 200 lb in nail A and in nail B, determine the largest vertical shear force V that the beam can support. Tm 12 in. 1 in. 5 in. V= A B 6 in. 1 in. 1 in. T 1 in.