Re: [問卦] 對岸的物理試題:能把自己拉上去嗎?
如果有大大復刻這個實驗
應該會很容易得到答案
就是繩子穿過一個滑輪後,再讓右邊馬達收繩
我個人還是覺得拉不起來
因為繩子只會繃到最緊
沒有提供額外的力使左邊的滑輪自動往上滾
除非整個箱子向右傾倒,讓馬達直接收繩上爬
但這還算不算原題目要求的:把自己拉上去,這就看怎麼定義了
※ 引述《sexybox (性感盒盒)》之銘言:
: https://i.imgur.com/s51pwX5.jpeg
: 對岸物理試題如圖
: 小明站在木箱上
: 木箱鎖著滑輪
: 牽繩固定在天花板
: 試問小明站在木箱上
: 小明力量無限大
: 能把自己拉起來嗎
: 正確解答是什麼?
: 有力學大師能開示ㄇ
-----
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