問題詳情

3. A 8000-N trunk is pushed along a level road by two men who apply a total forward force of 1000 N. Neglecting friction, what is the acceleration of the trunk?(Gravitational acceleration g = 10 m/s2)
(A) 0.0125 m/s2
(B) 0.125 m/s2
(C) 0.8 m/s2
(D) 1.25 m/s2
(E) 8 m/s2

參考答案

答案：D
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

M =8000/g = 800(kg)A = F/M = 1000/800 = 1.25 (D)