The 580-lb load is applied along the centroidal axis of the member. (Figure 1) Part A Determine the resultant internal normal force in the member on section a-a which pass through the centroid A. Express your answer to three significant figures and include the appropriate units. ? N = Fax 0 Unsh Submit Request Answer 30 Part B Determine the resultant internal shear force in the member on section a-a which pass through the centroid A. Express your answer to three significant figures and include the appropriate units. ? Unite 6 V = Value Submit Request Answer Part C Determine the resultant internal normal force in the member section b-b which pass through the centroid A. Express your answer to three significant figures and include the appropriate units. N = Value Submit Request Answer Part D ? Units Determine the resultant internal shear force in the member section b-b which pass through the cent A. Express your answer to three significant figures and include the appropriate units. V = Value Units Submit Request Answer ?