問題詳情
43.將A、B彈簧並聯如附圖(二),當A、B彈簧全長皆為35公分時,則施力F為多少公克重?
(A)30
(B)40
(C)60
(D)80
(A)30
(B)40
(C)60
(D)80
參考答案
無參考答案
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