🍋💫 Vortex Science: Take Out Lemon from Full Glass Easily! 🤲🌊 #Experiment Science behind it Centripetal vs “centrifugal” effect: To move in a circle, the lemon needs a centripetal force directed toward the center; the rotating water provides this through pressure differences. In the lemon’s rotating frame, it feels as if it is pushed outward, so it stays near the rim.Buoyancy: The lemon floats because its average density is less than that of water, so the upward buoyant force balances its wei

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