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Which mechanism allowed early suspension bridges to maintain stability against wind-induced oscillations?

A)Torsional rigidity from truss systems
B)Aerodynamic lift from wing-shaped decks
C)Dampening via tuned mass absorbers
D)Stiffness from catenary cable profiles

💡 Explanation

When wind induces oscillations, torsional rigidity from truss systems resists twisting forces because the interconnected members distribute the load, preventing excessive deformation. Therefore, truss systems enhanced stability, rather than lift, damping, or simple stiffness, which address vertical bending or vibration through alternative means.

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