Two prismatic bars are rigidly fastened together and support a vertical load of 40kN as shown...

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Two prismatic bars are rigidly fastened together and support a vertical load of 40kN as shown in figure. The upper bar is of steel having unit weight 760kN/m, length 10 m and cross section area 80.7cm. The lower bar is of brass having unit weight 800kN/m, length 6m and cross sectional area 64.5cm. For steel E = 207GPa and brass E90 GPa, the total extension at the free end will be A B Steel A Brass 40KN (A) 1.180 mm (C) 1.6776 mm B 10m 6m (B) 0.5286 mm (D) 0.7298 mm Two prismatic bars are rigidly fastened together and support a vertical load of 40kN as shown in figure. The upper bar is of steel having unit weight 760kN/m, length 10 m and cross section area 80.7cm. The lower bar is of brass having unit weight 800kN/m, length 6m and cross sectional area 64.5cm. For steel E = 207GPa and brass E90 GPa, the total extension at the free end will be A B Steel A Brass 40KN (A) 1.180 mm (C) 1.6776 mm B 10m 6m (B) 0.5286 mm (D) 0.7298 mm

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