If the speed is doubled, keeping the radius constant, the centripetal force becomes four times as great.
If the speed is doubled, keeping the radius constant, the centripetal force becomes four times as great.
如果半径不变，速度增大1倍，则向心力增大为原来的4倍（增大了3倍）。
If the speed is doubled, keeping the radius constant, the centripetal force becomes four times as great.
如果半径不变，速度增大1倍，则向心力增大为原来的4倍（增大了3倍）。