試卷名稱:109年 - 109 臺北市市立國民中學正式教師聯合甄選:理化(雙語)科 #85963
年份:109年
科目:教甄◆理化專業
77. A 4.00 kg block rests between the floor and a 3.00 kg block as shown in the figure below. The 3.00 kg block is tied to a wall by a horizontal rope. If the coefficient of static friction is 0.800 between each pair of surfaces in contact, what horizontal force F must be applied to the block to make it move?
(A) 16.2 N
(B) 23.5 N
(C) 54.9 N
(D) 78.4 N