At first glance, it’s just an epic concert moment: a flying cup of beer caught mid-air by the lead singer of John Coffey. But behind the viral clip is a surprisingly elegant example of real-world physics. When the cup leaves the thrower’s hand, it enters a parabolic path, influenced solely by gravity. For a brief moment, the cup is completely upside down, and yet the beer doesn’t spill. That’s because both the cup and the liquid inside are in free fall, accelerating downward at the same rate, meaning there’s no relative force pushing the beer out. (We're assuming there's negligible air resistance.) #science #physics #learning #facts #explained
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