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Mystery #1Tier 2forces circular-motion spinning

Why do you feel flung outwards when a roundabout spins fast?

Sit near the edge of a fast spinning roundabout and something seems to shove you toward the outside. Grip the bars hard or you will slide right off. Yet nothing is actually there, pushing on your back. So what really makes it feel as though you are being flung outwards?

A metal playground roundabout on a rubber safety surface, with curved handrails around a flat spinning disc.
Photo: Mutney · CC BY 4.0 · via Wikimedia Commons

Your guess

What do you think makes you feel pushed toward the edge?

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