2 z4 T$ ]& F" n( s' ?1 L9 m6 }volocity = radius X owmega squared9 ]* M# M7 n1 t; X. r
The greater the radius, the greater the voloctiy, then the less pressure " K- _, P7 G% e* H. }6 D- b1 ]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。3 _# ]8 @; }- K% B% b! \1 H Q