Question: Advanced physics 3. (50 points) For the system shown in the figure: 2 m 40 T D E 2 m 2 m 4 m Bar

Advanced physics

3. (50 points) For the system shown in the figure: 2 m 40 T D E 2 m 2 m 4 m Bar AB and CB have the same modulus of elasticity. Bar DE is 1000000 times stiffer than bars AB and CB. Bar AB has a cross-sectional area of 40 cm2 and bar BC has a cross sectional area of 80 cm2 a) Calculate the reactions at D Hint: 40 T RAA HD D E RAC

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