Q1) Find out the reaction forces at supports and show their directions Q2) A bar has subjected to 60 kN load as shown in the figure below. Bar has different along its longitudinal axis. Calculate the change in its length and width (E-18 Q3) Aluminum AB bar (Gal-25 GPa) is assembled to steel BC bar (G75 G4 are applied to the arm shown in figure. Find out the maximum shear stresses in each part fixed to the wall at A and C. 200 mm Q3 1.6 m 0.8 m 0.8 m B D E 1.6 m P 200 mm 13EN 2m 2 60KN 02 B 200 mm 400 mm