1) Determine the shear stress and shear-flow distribution over the cross-section of the beam shown in the figure below. Assume the web is ineffective in resisting bending and the stringer areas to be concentrated at points. 1.0 in 4 in 110 m21 8 in 0.040 in 2.0 in 10,000 th 2) Each of the five upper stringers has an area of 0.4 in, and each of the five lower stringers has an area of 0.8 in. Find the shear flows in all the webs if the vertical shearing force is 12,000 lbs. 1 in- 2 in 6 in 2 in