人从高处跳下易造成骨折,一般成年人每条腿胫骨的极限抗压强度为1.5X10^7N/m²,胫骨的最小横截面积一般为3.2CM,假如一个质量为50KG的人从某一高度跳下.双足着地后下蹲,重心下降了15CM,请计
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/19 12:56:25
![人从高处跳下易造成骨折,一般成年人每条腿胫骨的极限抗压强度为1.5X10^7N/m²,胫骨的最小横截面积一般为3.2CM,假如一个质量为50KG的人从某一高度跳下.双足着地后下蹲,重心下降了15CM,请计](/uploads/image/z/1861561-1-1.jpg?t=%E4%BA%BA%E4%BB%8E%E9%AB%98%E5%A4%84%E8%B7%B3%E4%B8%8B%E6%98%93%E9%80%A0%E6%88%90%E9%AA%A8%E6%8A%98%2C%E4%B8%80%E8%88%AC%E6%88%90%E5%B9%B4%E4%BA%BA%E6%AF%8F%E6%9D%A1%E8%85%BF%E8%83%AB%E9%AA%A8%E7%9A%84%E6%9E%81%E9%99%90%E6%8A%97%E5%8E%8B%E5%BC%BA%E5%BA%A6%E4%B8%BA1.5X10%5E7N%2Fm%26sup2%3B%2C%E8%83%AB%E9%AA%A8%E7%9A%84%E6%9C%80%E5%B0%8F%E6%A8%AA%E6%88%AA%E9%9D%A2%E7%A7%AF%E4%B8%80%E8%88%AC%E4%B8%BA3.2CM%2C%E5%81%87%E5%A6%82%E4%B8%80%E4%B8%AA%E8%B4%A8%E9%87%8F%E4%B8%BA50KG%E7%9A%84%E4%BA%BA%E4%BB%8E%E6%9F%90%E4%B8%80%E9%AB%98%E5%BA%A6%E8%B7%B3%E4%B8%8B.%E5%8F%8C%E8%B6%B3%E7%9D%80%E5%9C%B0%E5%90%8E%E4%B8%8B%E8%B9%B2%2C%E9%87%8D%E5%BF%83%E4%B8%8B%E9%99%8D%E4%BA%8615CM%2C%E8%AF%B7%E8%AE%A1)
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