[問題] 高中物理 轉動 (定滑輪)
http://www.badongo.com/pic/13037849
為什麼滑輪要考慮質量的時候 兩邊的繩子張力會不一樣
我知道老師以前說過 如果繩子不考慮重量 繩張力處處相等
所以這樣有矛盾嗎?
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