问题描述：
A person standing on a bus is thrown towards the rear of the bus as it starts to move forward,
and to the frontf as it slows down.why?
我需要的不是翻译不是翻译,最好用英语
还有这是一到物理题
and to the frontf as it slows down.why?
我需要的不是翻译不是翻译,最好用英语
还有这是一到物理题
问题解答：
我来补答展开全文阅读