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Generally speaking, the larger the circle you move in, the greater the centripetal force you experience.
一般來說,你所處運動的圓圈越大,你所經歷的向心力就越大。
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.
因此你距離旋轉木馬的中心越遠,旋轉木馬就會施加更大的力使你保持在圓圈中運動。
All this extra force on your inner ear can make you lose your balance and feel quite dizzy.
所有這些你內耳中的額外力會讓你失衡并且感到很頭暈目眩。
Another way to see centripetal force in action is with an old-fashioned record player.
另一種觀察向心力運動的方法是使用老式唱片機。
Place a penny near the center of a spinning record, and it will stay in place as it turns.
在旋轉唱片中心附近放一枚一便士,而后它將保持在原地旋轉。
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.
如果將硬幣放在邊緣,它會從唱片上飛走,這足以證明旋轉物體邊緣的力量要大于中心處。
