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Give some examples of common phenomena in which resonance plays an important role.

Give some examples of common phenomena in which resonance plays an important role.

Grade:upto college level

2 Answers

Jitender Pal
askIITians Faculty 365 Points
8 years ago
Resonance is the phenomenon of setting a body into vibrations by a strong periodic force whose frequency coincides with the natural frequency of the body. All mechanical structures, such as buildings, bridges, and air planes have one or more natural frequencies of oscillation. Since in resonance the body absorbs maximum energy from the impressed source, so the amplitude of vibrations is very large that can have disastrous consequences.
Shattering a wine glass with a sound wave that matches one of the natural frequencies of the glass is but one demonstration of this effect; the collapse of road ways and bridges in earthquakes is a more serious outcome.
Another example of resonance occurred in the Tacoma Narrows Bridge in Washington State in 1940. The wind blowing through The Narrows broke up into vortices, in effect providing small puffs that shook the bridge at a frequency that matched one of its natural frequencies. The result was a gentle rolling motion, somewhat like a roller coaster, which earned the bridge nick name “Galloping Gertie”
pa1
357 Points
8 years ago
Resonance is the phenomenon of setting a body into vibrations by a strong periodic force whose frequency coincides with the natural frequency of the body. All mechanical structures, such as buildings, bridges, and air planes have one or more natural frequencies of oscillation. Since in resonance the body absorbs maximum energy from the impressed source, so the amplitude of vibrations is very large that can have disastrous consequences.Shattering a wine glass with a sound wave that matches one of the natural frequencies of the glass is but one demonstration of this effect; the collapse of road ways and bridges in earthquakes is a more serious outcome.Another example of resonance occurred in the Tacoma Narrows Bridge in Washington State in 1940. The wind blowing through The Narrows broke up into vortices, in effect providing small puffs that shook the bridge at a frequency that matched one of its natural frequencies. The result was a gentle rolling motion, somewhat like a roller coaster, which earned the bridge nick name “Galloping Gertie”

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