0.75 m 1.50 m 6AN 6kN 5KN 5KN 10 kN q- Find the displacements at points A, B, C, and D under the loading effect to which the bar member with a diameter of 10.1 mm in the figure is subjected. The rod is made of aluminum (E = 70 GPa). 1- Support reaction, at D? (kN) by drawing the normal force diagram; 2- Normal force, at element CD? (kN) 3- Normal force in element BC? (kN) 4- Normal force on element AB? (KN) 5- Normal stress, in CD element? (MPa) 6- Normal stress in BC element? (MPa) 7- Normal stress in element AB? (MPa) 8- Displacement, at D? (mm) 9- Displacement, at C? (mm) 10- Displacement at B? (mm) 11- Displacement at A? (mm)