Fluctuations of which of the following bodies will be free: a) a piston in the engine cylinder, b) a needle of a sewing machine, c) a branch of a tree after a bird flew off it, d) a string of a musical instrument, e) the end of the compass hand; f) membrane of a phone during a conversation; g) a cup of a lever balance?
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Expert's answer
2010-05-12T11:45:01-0400
Here is an answer for you Mechanics question: a) no, the oscillation is forced; b) no, the oscillation is forced; c) yes, the oscillations are free; d) yes, the oscillations are free; e) yes, the oscillations are free; f) no, the oscillation is forced; g) yes, the oscillations are free.
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