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Title text: Wind stress? Don't be silly. When has wind stress ever been a problem for a suspension bridge?

Explanation[edit]

This is one of 39 incomplete explanations:
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The title text is a reference to the Tacoma Narrows Bridge. There's a well known video showing it collapsing as a result of wind stresses that matched the bridge's natural resonance frequency. This is often used in physics classes to demonstrate resonance, and in engineering classes as a cautionary tale.