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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
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
上一篇 :
34. 根據以下電路,Vi=14 V,R1=2KΩ,R2=2KΩ,稽納二極體(Zener Diode)的崩潰電壓為 10V,問輸出電壓 Vo 為多少? (A) 7V (B) 8V (C) 9V (D)
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