妳先看看題目,它們都保持平衡禁止的狀態。妳在乙上面畫一個箭頭,寫100gw,因為會有一個力跟乙保持平衡。然後妳再看看圖(一)它只是從上下變成左右,所以可以知道是100gw。應該是這樣吧🫨有錯誤請學霸幫我糾正一下
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妳先看看題目,它們都保持平衡禁止的狀態。妳在乙上面畫一個箭頭,寫100gw,因為會有一個力跟乙保持平衡。然後妳再看看圖(一)它只是從上下變成左右,所以可以知道是100gw。應該是這樣吧🫨有錯誤請學霸幫我糾正一下
Users viewing this question
are also looking at these questions 😉
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