大工10春《工程力学》在线作业21.某平面图形的对称轴是坐标轴x轴,该图形对两坐标轴的惯性积为().A.最大B.最小C.零D.不确定满分:4 分2.若某平面图形对x轴的惯性矩为6,对y轴的惯性矩为13.5
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![大工10春《工程力学》在线作业21.某平面图形的对称轴是坐标轴x轴,该图形对两坐标轴的惯性积为().A.最大B.最小C.零D.不确定满分:4 分2.若某平面图形对x轴的惯性矩为6,对y轴的惯性矩为13.5](/uploads/image/z/3919717-37-7.jpg?t=%E5%A4%A7%E5%B7%A510%E6%98%A5%E3%80%8A%E5%B7%A5%E7%A8%8B%E5%8A%9B%E5%AD%A6%E3%80%8B%E5%9C%A8%E7%BA%BF%E4%BD%9C%E4%B8%9A21.%E6%9F%90%E5%B9%B3%E9%9D%A2%E5%9B%BE%E5%BD%A2%E7%9A%84%E5%AF%B9%E7%A7%B0%E8%BD%B4%E6%98%AF%E5%9D%90%E6%A0%87%E8%BD%B4x%E8%BD%B4%2C%E8%AF%A5%E5%9B%BE%E5%BD%A2%E5%AF%B9%E4%B8%A4%E5%9D%90%E6%A0%87%E8%BD%B4%E7%9A%84%E6%83%AF%E6%80%A7%E7%A7%AF%E4%B8%BA%EF%BC%88%EF%BC%89.A.%E6%9C%80%E5%A4%A7B.%E6%9C%80%E5%B0%8FC.%E9%9B%B6D.%E4%B8%8D%E7%A1%AE%E5%AE%9A%E6%BB%A1%E5%88%86%EF%BC%9A4+%E5%88%862.%E8%8B%A5%E6%9F%90%E5%B9%B3%E9%9D%A2%E5%9B%BE%E5%BD%A2%E5%AF%B9x%E8%BD%B4%E7%9A%84%E6%83%AF%E6%80%A7%E7%9F%A9%E4%B8%BA6%2C%E5%AF%B9y%E8%BD%B4%E7%9A%84%E6%83%AF%E6%80%A7%E7%9F%A9%E4%B8%BA13.5)
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