Which consequence arises should suspension bridge builders in the 1800s improperly apply Fourier's theorem?

💡 Explanation

Improper reconstruction of periodic wave components that make up wind force would underestimate resonant frequencies. This leads to under-damped oscillations. Such self-excited resonance increases the likelihood of catastrophic Tacoma-Narrows-style dynamic instability rather than manageable static-load concerns, because the bridge deck becomes unstable.

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