小U博学! 6 ~& \/ w0 o5 B% e( K& y9 {3 m. N( A2 L; A
volocity = radius X owmega squared8 w r5 i4 d5 F
The greater the radius, the greater the voloctiy, then the less pressure 4 z3 ^3 p! Y) Y; g3 G5 d
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。+ S5 O: F, E/ [* w' L1 N2 Y