問題詳情

46. A hydraulic jack with two pistons is shown in the figure. The radiiare 10 cm and 5 cm, and the weights are 40 kg and 1 kg for theleft and right piston, respectively. A ball weighs 9 kg is placed onthe right piston. Find the height difference between two pistons inequilibrium status. (Gravitational acceleration g = 10 m/s2)


(A) 0 cm
(B) 10 cm
(C) 1 m
(D) 10 m
(E) 20 m

參考答案

答案：A
難度：計算中-1
書單：沒有書單，新增

用户評論

【面試倒楣鬼-22幸運上後西】評論

40g/102 = (1+9)g/52 + ρ☆☆, ★★...