[好奇] 牙膏擠出來的形狀
早上刷牙的時候突然發現的
將牙膏管水平放置
case 1 : 從瓶身較靠近"瓶蓋"的地方擠壓
case 2 : 從瓶身較靠近"尾端"的地方擠壓
我發現case 1擠出來會是一坨
case 2卻是完整一長條
小弟物理頗爛...東想想西想想 還是想不出來這是什麼原理
還是說這跟物理一點關係都沒有? XD
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