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Is This An Example Of Shm?


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Looking at the chain blinds on my back door this morning I noticed it was oscillating as a sine wave (see attached link to MP4) is this an example of SHM caused by the breeze that was blowing at the time?

 

Thanks

 

https://bit.ly/2wiP5sf

Yes I think it is. Each chain is swinging like a pendulum and, for small amplitudes of swing, such that sin x ~ x, that will be simple harmonic. 

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