問題詳情
27.如附圖所示,在彈性限度內,在A彈簧下懸吊一物體W,再於其下掛上B彈簧,並施力F=100gw,使達到靜止平衡,其中A的伸長量為12cm,B的伸長量為3cm(A、B為兩條相同彈簧),求W為多少gw?
(彈簧的重量忽略)
(A)400
(B)300
(C) 200
(D) 100
參考答案
答案：[無官方正解]
難度：計算中-1
書單：沒有書單，新增
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