問題詳情

4. The accelerations of the blocks A and B respectively as scen in the situation shown in thefigure are (pulleys and strings are massless and pulleys are frictionless, acceleration due togravity is g)?


(A) 2g/3 downward, g/3 upward
(B) 2g/7 downward, g/7 upward
(C) 2g5 downward, g/5 upward
(D) 10g/13 downward, 5g/13 upward
(E) A and B are at rest.

參考答案

答案:B
難度:計算中-1
書單:沒有書單,新增