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有一天物理课后,老师提出这样一个“力学”问题:如何利用一棵大树、一根绳子将陷在泥潭中的汽车拉出来?这一定要实地考察并动手尝试才会找到办法。这个问题激发着我的兴趣,现在我们一起来看怎么办吧!
One day after the physics class, the teacher put forward such a “mechanics” question: how to use a big tree and a rope to pull the car stuck in the quagmire? This must be investigated and hands-on efforts will be found. This question inspires my interest, let's see how to do it now!