Asteel pipe with an outside diameter of 4.08 in. and an inside diameter of 3.70 in. supports the loadings shown. Assume x 14 in x 6 in, P.-3800 lb, P,-1900 lb. P, 3500 lb, and 7-3000 lb-ft. (a) Determine the normal and shear stresses o. r,, on the side of the pipe at point K. (b) Determine the principal stresses (o, > 0) and maximum in-plane shear stress magnitude ras at point K, and show the orientation of these stresses in an appropriate sketch. Answers: H - 1ksi. Tay ksi 01- ksi ksi ksi