小U博学! 6 f7 N& G1 \9 v+ A" v$ l5 V" {2 v( [/ G$ {) D4 S9 q0 r
volocity = radius X owmega squared l. p3 @: c: P/ x' Q$ tThe greater the radius, the greater the voloctiy, then the less pressure 4 y% n+ a8 a# r. X @$ ^( N
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。9 Z1 k M2 E, F