複選題
47.三根彈簧的常數分別為K1、K2、K3,若將此三根彈簧串聯,則總彈簧常數尺可表示為:
(A) K = $\frac{1}{K_1} + \frac{1}{K_2} + \frac{1}{K_3}$
(B) K = K1 + K2 + K3
(C) $\frac{1}{K}$ = $\frac{1}{K_1} + \frac{1}{K_2} + \frac{1}{K_3}$
(D) K = $\frac{K_1 K_2 K_3}{K_1 K_2 + K_2 K_3 + K_3 K_1}$
(E) $\frac{1}{K}$ = K1 + K2 + K3
47.三根彈簧的常數分別為K1、K2、K3,若將此三根彈簧串聯,則總彈簧常數尺可表示為:
(A) K = $\frac{1}{K_1} + \frac{1}{K_2} + \frac{1}{K_3}$
(B) K = K1 + K2 + K3
(C) $\frac{1}{K}$ = $\frac{1}{K_1} + \frac{1}{K_2} + \frac{1}{K_3}$
(D) K = $\frac{K_1 K_2 K_3}{K_1 K_2 + K_2 K_3 + K_3 K_1}$
(E) $\frac{1}{K}$ = K1 + K2 + K3
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統計: A(21), B(16), C(114), D(110), E(10) #686386
統計: A(21), B(16), C(114), D(110), E(10) #686386