4. The accelerations of the blocks A and B respectively as scen in the situation shown in thefigure
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.