Consider the beam shown in (Figure 1). Suppose that the distributed load intensities w = 80 lb/ft and w2 35 lb/ft. Follow the sign convention. = Figure 1 of 1 -12 ft -15 ft BD 10 ft S- 690 lb. Part D Determine the internal normal force at point D. Express your answer to three significant figures and include the appropriate units. ND= Value Submit Request Answer 4 Part E Units ? Determine the internal shear force at point D. Express your answer to three significant figures and include the appropriate units. VD = Value Submit Request Answer 0 ? Units Part F Determine the internal moment at point D. Express your answer to three significant figures and include the appropriate units. ? MD = Value Units Submit Request