Example Determine the resultant internal loadings acting on the cross section at B of the pipe shown below. End A is subjected to a vertical force of 50 N, a horizontal force of 30 N, and a couple moment of 70 N/m. Neglect the pipe's mass. 70 N.m 50 N 0.75 m B 1.25 m 30 N 0.5 m oc