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The Broughton Suspension Bridge near Manchester, England, collapsed reportedly because of mechanical resonance induced by troops marching in step across it.
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Broughton Suspension Bridge
Bridge in Manchester, England, completed in 1826
Broughton Suspension Bridge was an iron chain suspension bridge built in 1826 to span the River Irwell between Broughton and Pendleton, now in Salford, Greater Manchester, England. One of Europe's first suspension bridges, it has been attributed to Samuel Brown, although some…Source: Wikipedia (CC BY-SA)
Manchester
City and metropolitan borough in England
Manchester is a city and metropolitan borough in Greater Manchester, England. It had an estimated population of 568,996 in 2022. Greater Manchester is the third-most populous metropolitan area in the United Kingdom, with a population of 2.92 million, and the largest in Northern…Source: Wikipedia (CC BY-SA)
Mechanical resonance
Tendency of a mechanical system
Mechanical resonance is the tendency of a mechanical system to respond at greater amplitude when the frequency of its oscillations matches the system's natural frequency of vibration closer than it does other frequencies. It may cause violent swaying motions and potentially…Source: Wikipedia (CC BY-SA)