標題看起來有點詭異,, 話說剛剛用水桶裝了50公升的水 用推車推 非常之重 很難推動 但我本身大概55公斤 我跳上推車 叫同樣的人去推 卻很輕鬆就推動了 這是什麼原因阿? 重量不是差不多嗎 -- Sent from my Android -- ※ 發信站: 批踢踢實業坊(ptt.cc) ◆ From: 223.138.189.194
→Sgenius:我猜是放置的重心問題06/29 13:18
→power7:重心06/29 13:19
推shinshong:水會晃06/29 13:22
→KingInTea:重心 所以今天我站在車上和坐在車上 也會有所不同的感06/29 13:29
→KingInTea:覺!?06/29 13:29
→Sgenius:對啊 你站在車子的不同位置 推起來感覺也一定不同06/29 13:35
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