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"Explain what is meant by the term resonance and give an example of

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February 28th, 2013 06:47
in Physics by arlie (University of Iowa (IA), Mathematics)

"Explain what is meant by the term resonance and give an example of resonance in a real mechanical system."

Is there any one who could tell me that ?

6 Answers
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March 23th, 2013 07:44
amidii (Allahabad University, material science)
In physics, the relatively large selective response of an object or a system that vibrates in step with an externally applied vibration. Acoustical resonance is the vibration induced in a string of a given pitch when a note of the same pitch is produced nearby, in the sound box of an instrument such as a guitar, or in the mouth or nasal cavity when speaking. Mechanical resonance, such as that produced in a bridge by wind or by marching soldiers, can eventually produce wide swings great enough to cause the bridge's destruction. Resonance in frequency-sensitive electrical circuits makes it possible for certain communication devices to accept signals of some frequencies while rejecting others. Magnetic resonance occurs when electrons or atomic nuclei respond to the application of magnetic fields by emitting or absorbing electromagnetic radiation. See also nuclear magnetic resonance.

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March 23th, 2013 10:12
hun (Birla Institute of Technology and Science, Computer networks)
"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 (its resonance frequency or resonant frequency) than it does at other frequencies. It may cause violent swaying motions and even catastrophic failure in improperly constructed structures including bridges, buildings and airplanes—a phenomenon known as resonance disaster. "

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April 23th, 2013 19:28
pakhi (Birla Institute of Technology and Science, Computer sciences)
"Resonance is a phenomenon that refers to an oscillation that has a large amplitude because it is being driven at its natural frequency. Some examples are given below. Note that resonance can also occur with random excitation (white noise), such as wind on bridge, finger on wine glass, blowing over a bottle. That definition is ok, but the example should match the explanation for full marks.. Source: http://in.docsity.com/en-docs/Angular_Speed_-_Advanced_Physics_-_Solved_Exam_pdf"

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April 24th, 2013 06:36
mehtaa (Annamalai University, metallurgy)
"In physics, resonance is the tendency of a system to oscillate with greater amplitude at some frequencies than at others. Frequencies at which the response amplitude is a relative maximum are known as the system's resonant frequencies, or resonance frequencies. At these frequencies, even small periodic driving forces can produce large amplitude oscillations, because the system stores vibrational energy. "

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April 24th, 2013 12:50
aanitaa (National Institute of Industrial Engineering, ,e)
"The quality or condition of being resonant: words that had resonance throughout his life. "

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April 24th, 2013 14:30
sanjeev (Acharya Nagarjuna University, Computer sciences)
"The goal of Unit 11 of The Physics Classroom Tutorial is to develop an understanding of the nature, properties, behavior, and mathematics of sound and to apply this understanding to the analysis of music and musical instruments. Thus far in this unit, applications of sound wave principles have been made towards a discussion of beats, musical intervals, concert hall acoustics, the distinctions between noise and music, and sound production by musical instruments. In Lesson 5, the focus will be upon the application of mathematical relationships and standing wave concepts to musical instruments. Three general categories of instruments will be investigated: instruments with vibrating strings (which would include guitar strings, violin strings, and piano strings), open-end air column instruments (which would include the brass instruments such as the trombone and woodwinds such as the flute and the recorder), and closed-end air column instruments (which would include some organ pipe and the bottles of a pop bottle orchestra). A fourth category - vibrating mechanical systems (which includes all the percussion instruments) - will not be discussed. These instrument categories may be unusual to some; they are based upon the commonalities among their standing wave patterns and the mathematical relationships between the frequencies that the instruments produce. "

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