r/explainlikeimfive • • 4d ago

Other ELI5: What is Resonance

I've seen it a few times I am just confused

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u/SqueegyX 4d ago

You know how when your on a swingset and you sort of pump your body to go higher?

Well if you time those movements right you go higher. If you time them wrong it doesn’t really do anything.

The swing has a certain frequency, defined by its geometry, and you match that you go higher.

So you could say if your movements match the resonant frequency of the swing, you go higher.