Aerospace Engineering > GATE 2019 > Trusses
As shown in the figure, a rigid slab CD of weight W (distributed uniformly along its length) is hung from a ceiling using three cables of identical length and cross-sectional area. The central cable is made of steel (Young's modulus = 3E) and the other two cables are made of aluminum (Young's modulus = E). The percentage of the total weight taken by the central cable is _______ % (round off to the nearest integer).
Correct : 60 to 60
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