10n 41 8 in. 8 in. 3 kip 3 kip C 4ft D Part A In (Figure 1), segment BC weighs 150 lb/ft, segment CD weighs 200 lb/ft, and P = 4 kip. Determine the magnitude of the resultant internal normal force acting on the cross section through point A. Express your answer to three significant figures and include the appropriate units. 12.3 kip FA Submit Previous Answers Correct Part B In (Figure 2), the column has a mass of 200 kg/m, P=9 kN, P-7 kN, and P-5.5 kN. Determine the magnitude of the resultant internal normal force acting on the cross section through point A. Express your answer to three significant figures and include the appropriate units. ? FA=500 N Submit Previous Answers Request Answer