“达·芬奇摩擦实验”的概念、定义、翻译、参考文献-科学参考

单词	达·芬奇摩擦实验
释义	达·芬奇摩擦实验 Encyclopedia 工学摩擦释 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。
随便看	history of Norfolk Island History of Northern Dynasties History of Northern Zhou Dynasty history of Norway History of Novels in Late Qing Dynasty history of nuclear power development history of nursing history of oat cultivation history of olericulture history of Oman History of one city History of Opera in Rural Areas in Yunnan history of ornamental fishery in China history of oyster culture in China history of Pacific Island Countries history of Palau history of Papua New Guinea history of Pearl River embankment engineering history of Penicillin history of philosophy history of physics in China history of piemarker cultivation history of pig-keeping history of pig raising in ancient China history of pipeline transport development

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