小U博学!0 M& a8 Y2 a0 U, V1 g
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volocity = radius X owmega squared; q# _% }) X; ?9 E3 C
The greater the radius, the greater the voloctiy, then the less pressure + H8 C" |( |0 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。& |: b" j3 M5 H9 p, Y! r( @