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← HistoryWhich structural consequence results when too much livestock concentrates on a traditional Inca rope bridge?
A)Increased tensile stress in cables✓
B)Reduced aerodynamic drag coefficient
C)Localized thermal expansion increase
D)Elevated resonant frequency amplification
💡 Explanation
Excessive livestock concentrates weight unevenly, so tensile stress increases linearly according to *Hooke's Law*. This increased stress leads to stretching/breaking, therefore bridge failure due to tensile limits, rather than aerodynamics, heat, or resonance phenomena.
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