将一个横卧的油桶推上高为h的台阶,油桶的半径为R(R>h),竖直向上的推力F1作用在桶最左边的一点,同时F2作用在桶的最高点,推力F1和F2对转动轴O的力矩各是多少?F1竖直向上,F2水平向右
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![将一个横卧的油桶推上高为h的台阶,油桶的半径为R(R>h),竖直向上的推力F1作用在桶最左边的一点,同时F2作用在桶的最高点,推力F1和F2对转动轴O的力矩各是多少?F1竖直向上,F2水平向右](/uploads/image/z/10084281-33-1.jpg?t=%E5%B0%86%E4%B8%80%E4%B8%AA%E6%A8%AA%E5%8D%A7%E7%9A%84%E6%B2%B9%E6%A1%B6%E6%8E%A8%E4%B8%8A%E9%AB%98%E4%B8%BAh%E7%9A%84%E5%8F%B0%E9%98%B6%2C%E6%B2%B9%E6%A1%B6%E7%9A%84%E5%8D%8A%E5%BE%84%E4%B8%BAR%28R%3Eh%29%2C%E7%AB%96%E7%9B%B4%E5%90%91%E4%B8%8A%E7%9A%84%E6%8E%A8%E5%8A%9BF1%E4%BD%9C%E7%94%A8%E5%9C%A8%E6%A1%B6%E6%9C%80%E5%B7%A6%E8%BE%B9%E7%9A%84%E4%B8%80%E7%82%B9%2C%E5%90%8C%E6%97%B6F2%E4%BD%9C%E7%94%A8%E5%9C%A8%E6%A1%B6%E7%9A%84%E6%9C%80%E9%AB%98%E7%82%B9%2C%E6%8E%A8%E5%8A%9BF1%E5%92%8CF2%E5%AF%B9%E8%BD%AC%E5%8A%A8%E8%BD%B4O%E7%9A%84%E5%8A%9B%E7%9F%A9%E5%90%84%E6%98%AF%E5%A4%9A%E5%B0%91%3FF1%E7%AB%96%E7%9B%B4%E5%90%91%E4%B8%8A%2CF2%E6%B0%B4%E5%B9%B3%E5%90%91%E5%8F%B3)
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