Mystery #4Tier 2-3waves / resonance / motion
Why does pushing a swing at just the right moment send it sky high?
On a swing, one thing is strange. If you shove as hard as you can at the wrong moment, the swing jerks and barely climbs. But a series of gentle pushes, each given at exactly the right instant, can send you soaring higher and higher. How can soft little pushes beat one giant heave?
Your guess
Why do you think the timing of the push matters more than how hard it is?
There's no single magic word to type, have a go in your own words, then reveal the answer to see how close you got.
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