1) Find out the reaction forces at supports and show their directions. Q2) A bar has...

 

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1) 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 cross-sections along its longitudinal axis. Calculate the change in its length and width (E = 180 GPa, v = 0.3). Q3) Aluminum AB bar (Gal-25 GPa) is assembled to steel BC bar (Gsr-75 GPa) at B. 24 kN forces are applied to the arm shown in figure. Find out the maximum shear stresses in each part. Both are fixed to the wall at A and C. 200 mm 1.6 m 0.8 m B 0.8 m Q3 E 1.6 m 200 mm C A 60 kN 200 mm 13 kN 12 2 m B 13 5 400 mm a 2m Q1 B 200 mm 60 mm 2m Q2 60 mm 2.6 kN.m 20 mm -20 mm D 20 mm 60 KN 1) 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 cross-sections along its longitudinal axis. Calculate the change in its length and width (E = 180 GPa, v = 0.3). Q3) Aluminum AB bar (Gal-25 GPa) is assembled to steel BC bar (Gsr-75 GPa) at B. 24 kN forces are applied to the arm shown in figure. Find out the maximum shear stresses in each part. Both are fixed to the wall at A and C. 200 mm 1.6 m 0.8 m B 0.8 m Q3 E 1.6 m 200 mm C A 60 kN 200 mm 13 kN 12 2 m B 13 5 400 mm a 2m Q1 B 200 mm 60 mm 2m Q2 60 mm 2.6 kN.m 20 mm -20 mm D 20 mm 60 KN

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