問題詳情
31. 甲、乙、丙三條完全相同的彈簧懸掛在一根水平橫桿上,甲彈簧無懸掛物品,乙彈簧懸掛重量為 W1公克重的砝碼,丙彈簧懸掛重量為 W1 公克重及W2 公克重的砝碼,靜止平衡時,三者的長度關係如圖(三)所示。若三條彈簧質量均很小忽略不計,且乙、丙兩彈簧在取下砝碼後,均可恢復原長,由上述資訊判斷 W1:W2 應為下列何者?
(A)1:2
(B) 2:1
(C) 2:3
(D) 3:2
參考答案
無參考答案
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