問題詳情
49. 一惠斯頓差動滑車定滑輪之大輪直徑為30 cm，小輪直徑為20 cm，摩擦損失10 %，若施力100 N，則可吊起之最大重物為多少N？
(A) 180
(B) 270
(C) 360
(D) 540
(A) 180
(B) 270
(C) 360
(D) 540
參考答案
無參考答案
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