小U博学! 1 j1 m9 n6 R- L H6 ? " l1 T1 R( K1 _2 O1 C R) T1 Ivolocity = radius X owmega squared- d; E5 q8 i6 C; h
The greater the radius, the greater the voloctiy, then the less pressure 6 M N) F2 {" |# |# A* @
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。4 z- }4 |( _9 D! W3 n% Y1 C; Y