小U博学!) p; V W/ o k' O
0 D a, b- V. @7 x2 \
volocity = radius X owmega squared( C8 p0 N( N. v% K
The greater the radius, the greater the voloctiy, then the less pressure + h- |! r4 M' R& f) M7 c$ Q6 {
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 `6 `' G _1 u" X5 ^' d% X