Mystery #4Tier 1-2sound vibration resonance
Why does a window buzz and rattle when a heavy lorry rumbles by?
A big lorry rolls slowly down the street and the window in its frame suddenly starts to buzz and rattle, as if something invisible were shaking it. A moment later the lorry has gone and the window falls silent again. Why does that low rumble set the glass rattling?
Your guess
Why do you think the lorry's rumble makes the window rattle?
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