Re: [新聞] 車胎全磨平…16歲少女北宜遭水泥車輾斃
那個 我記得輪胎磨平 是下雨的時候比較有差?
因為會影響排水 有水會造成輪胎瞬間無法接觸地面打滑
平常路面是乾的話 摩擦力=u*N
跟正向力和摩擦係數有關
磨平的話 摩擦係數也不會差太多吧?
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