小U博学! ) O7 w; P! `5 ~( D' q % \3 H0 z/ t8 w/ X& D. w0 ivolocity = radius X owmega squared: E3 G7 h$ T( N' K6 ~
The greater the radius, the greater the voloctiy, then the less pressure + ~: D3 g& X; p, l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。! @: q+ b8 y; v% y6 D( k