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【英语时差8,16】坐旋转木马会头晕?(下)

时间:2016-02-14 01:57来源:互联网 提供网友:yajing   字体: [ ]
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Generally speaking, the larger the circle you move in, the greater the centripetal1 force you experience. So, the farther you move away from the center of the merry-go-round, the more force the merry-go-round must exert on you to keep you moving in that circle. All this extra force on your inner ear can make you lose your balance and feel quite dizzy. Another way to see centripetal force in action is with an old-fashioned record player. Place a penny near the center of a spinning record, and it will stay in place as it turns. Put the penny on the edge, however, and it will fly off the record, giving visible proof that the force at the edge of a spinning object is greater than at the center.


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1 centripetal 1Ugyf     
adj.向心的
参考例句:
  • After some treatment of centripetal force,he deduces Kepler's third law.在向心力的一些论述之后,他推出了开普勒的第三定律。
  • It is called the centripetal acceleration.这叫做向心加速度。
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