問題詳情
32.如下圖所示之彈簧系統，K代表彈簧常數，K1=120N/cm,K2=80N/cm ,K3=100N/cm ,試求組合後其總彈簧常數為何? 
(A)100
(B)66.6
(C)148
(D)300 N/cm。
參考答案
無參考答案
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