A frame ABCD is supported by a roller at point D and by a pin at point A The structure is subjected to point loads shown in Figure 1 1 Calculate the internal loadings normal and shear forces bending moment at the cross sections through points G and H using the method of sections yk D 50 KN C 1 0 m G 1 5m H 1 0 m 3 0 m 40 KN 70 KN B 1 5 m Figure 1 1 Frame A 1 0 m 2 0 m For cuts on vertical structural members please use the following senses as the positive sign convention for internal reactions Z M M VN AN V