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Leonardo da Vinci friction experiments
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Leonardo da Vinci friction experiments
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Leonardo da Vinci friction experiments
达·芬奇摩擦实验
达·芬奇发明了几种不同装置,用来测试木材间的滑动摩擦和滚动摩擦特性,发现当木块M的重量加倍时用绳索拖动木块M向左滑动所需要的重物F的重量也加倍,重物F的重量是木块重量的四分之一,是一个常数,而且与木块横竖放置(即改变与台面的接触面积)无关的实验。
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