小U博学! 6 a. x s" R3 B& g, `, g" i7 P$ {5 m. I& e
volocity = radius X owmega squared * H- ^# A q3 d% H/ AThe greater the radius, the greater the voloctiy, then the less pressure $ n+ e! a- S r0 X# S
上面杯子的半径大,转速快,压力小。反之下面的半径小,转速慢,压力大。所以产生了一个升力,从而托住了杯子。! ~" i* j) y' f' Q