是什么力使地球转动?我想不是引力,引力是物体与物体之间的吸引力,不可能使地球转起来.如果说没什么力使地球围着太阳转,那么地球本身就是个“永动机”!

来源:学生作业帮助网 编辑:作业帮 时间:2024/07/30 14:32:09
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