小U博学! 5 D/ T' |+ ?) W+ O, r/ n, U. w2 T: m: [( {" w4 P* L+ d9 b. r
volocity = radius X owmega squared. |: N8 l, D- }
The greater the radius, the greater the voloctiy, then the less pressure 6 | c- g6 t, {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。! y" M9 U. W) i