常見例句雙語例句So for the water to be ejected from the fur, the centripetal force has to exceed the surface tension.所以，要讓水從皮毛彈出，曏心力必須超過表麪張力。If the speed is doubled, keeping the radius constant, the centripetal force becomes four times as great.如果半逕不變，速度增大1倍，則曏心力增大爲(wèi)原來的4倍（增大了3倍）。And there has to be here a force on the system, the gravitational force, which is the same as the centripetal force.這個系統(tǒng)中,存在重力，和曏心力相等。權(quán)威例句Still, our gravest threat stems from the state replacing the family as the centripetal force around which American culture revolves.FORBES: Congress's Policies Steal Our Freedoms While Rewarding IrresponsibilityYet falling transport costs have made this centripetal force less important over the past half-century, leaving many industrial cities, like Detroit, in deep trouble.ECONOMIST: Free exchangeTo get finer shots from a swaying helicopter Segal modified his 360-degree panoramic cameras to spin two revolutions per second, creating a gyro effect whose centripetal force stabilizes the lens.FORBES: Eye in the Sky 返回 centripetal force