小U博学! : Y3 Z- F3 s) |/ {1 y/ K/ u, p* d# S3 m: ~( T
volocity = radius X owmega squared ; y/ B" y* Q& \) {The greater the radius, the greater the voloctiy, then the less pressure 1 I1 ^* N/ m0 d2 B+ e. q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。/ r& ?3 m! K9 A( O E. [! x