如果这时有东西挡住了箱子的前下部由于惯性箱子就会以其最前端触地处为支点向前翻滚,如果箱子后端重这个旋转力矩就受到了压抑。
如果这时有东西挡住了箱子的前下部由于惯性箱子就会以其最前端触地处为支点向前翻滚,如果箱子后端重这个旋转力矩就受到了压抑。
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