小U博学!' \) t; H- V" q
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volocity = radius X owmega squared # A5 g! ^& @% h5 YThe greater the radius, the greater the voloctiy, then the less pressure 1 ^! c; O; j9 w
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。+ _2 |- Y. T6 _# z+ N6 ]