小U博学! 5 K7 B8 F( P5 b2 p( D+ N2 E) {( `* E4 f
volocity = radius X owmega squared- E2 d/ x+ P; z* \: ?* {: u* ]0 v. S
The greater the radius, the greater the voloctiy, then the less pressure v0 x3 L- J* g! {" b
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。 0 V- e7 p( B4 P/ Q