# _" S1 A E- X( Gvolocity = radius X owmega squared 3 l, _6 J' M2 A9 T( T/ y& F8 ~The greater the radius, the greater the voloctiy, then the less pressure 1 I! l: R0 l1 ?9 o% N
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。 $ u' |! O, ?5 x% X! N