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在我们很小的时候都听过这样一首童谣:“太阳大地球小,地球绕着太阳跑;地球大月亮小,月亮绕着地球跑。”现在我们学习了万有引力定律,用物理学的眼光再看这首童谣时感觉非常有科学道理。下面我们通过一道高考题来体会一下。
When we were young, we heard such a nursery rhyme: “The sun is big, the earth is running around the sun; the big moon is small, and the moon is running around the earth.” Now that we have studied the law of universal gravitation, Look at the first nursery rhyme feeling very scientific. Below we pass a college entrance examination to experience.