問題詳情

4.(10) A hydraulic jack has the dimensions shown. If one exerts a force F of 100 N on the handle of the jack, what load, F2/ can the jack support? Neglect lifter weight.

參考答案

答案:C
難度:簡單0.852518
統計:A(29),B(7),C(474),D(19),E(0)

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