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Explain Why Does the Rear Mirror of a Motorbike Start Vibrating Violently, at Some Particular Speed of Motorbike? - Physics

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Question

Explain why does the rear mirror of a motorbike start Vibrating Violently, at some particular speed of motorbike?

Short/Brief Note
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Solution

When the frequency of the engine of motorbike corresponds with the natural frequency of the rear view mirror, die resonance takes place. Thus, the rearview mirror vibrates with a larger amplitude violently.

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