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← HistoryDuring siege warfare in medieval times, which consequence resulted when a rope bridge experienced excessive wind-induced oscillations?
A)Reduced enemy targetting accuracy
B)Increased structural joint corrosion
C)Bridge deck destabilization occurred✓
D)Enhanced soldier movement stability
💡 Explanation
Bridge deck destabilization occurs because excessive wind causes large-amplitude oscillations, initiating a dynamic instability called aeroelastic flutter. Therefore, the bridge vibrates uncontrolled, rather than the motion improving soldier balance or targeting, because the oscillation's mechanical energy grows.
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