29 —彈簧組是由兩彈簧k1與k2串聯後,再與第3根彈簧k3並聯所組成,此彈簧組..-阿摩線上測驗
3F jamess87072 高一上 (2020/10/09)
(1)k1與k2串聯=>K"=(k1*k2)/(k1+k2) (2)再與k3並聯=>總K=K"+K3 =>[(k1*k2)/(k1+k2)] + k3 (3)總變形量=w/總K =w/[(k1*k2)/(k1+k2) + k3] 分子分母同乘 k1+k2 =w(k1+k2) /[(k1*k2) + k3(k1+k2)] =w(k1+k2) /[k1k2 + k3k1+k2k3] |
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