小U博学! - b$ f8 K) D, J- |3 ^8 m! A$ D( w 9 B$ c5 v# c( G# A# i' G& ^volocity = radius X owmega squared 4 W% T/ B8 i' e3 ~The greater the radius, the greater the voloctiy, then the less pressure ! ^* c9 a. R" u9 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。0 S! }4 s b* T6 G