試卷名稱:112年 - 112 國立中興大學_學士後醫學系招生考試_學士後醫學系甲、乙組:物理#113978
年份:112年
科目:學士後西醫-物理
11. A uniform sign is supported against a wall at point P as shown in the figure. If the sign is a square 0.4 m on a side and its mass is 4.0 kg, what is the magnitude of the horizontal force that the wall at P experiences?
(A) 5.8 N
(B) 10.0 N
(C) 20 N
(D) 98 N
(E) 75 N.