<p>如图所示，将系统的惯性力系向O点简化，其主矢FI和主矩MIO的数值分别为： <img alt="" src="https://file.gaojiufeng.cn/learnAppQuestion/2f/8d/2f8d7e9ba69a3ecc939dc53b50254002.jpg" style="width: 100%;height: auto;"><img alt="" src="https://file.gaojiufeng.cn/learnAppQuestion/68/09/68096eafd579045fb3af4e10e1f0c1e1.jpg" style="width: 100%;height: auto;"><img alt="" src="https://file.gaojiufeng.cn/learnAppQuestion/42/18/4218337f75cae3755b3ba972e995d919.jpg" style="width: 100%;height: auto;"></p>