本题目来源于试卷: Overweight and underweight，类别为 美国物理杯赛(Physics Bowl)
[单选题]
12.10: A string of negligiblej(tjy.b m b4dvtc 2 gb+,d+u7b mass connects an oztc 4.-r-dw,nx2hik1z a 1pb bbject of mass M=10 kg to the ceiling of an elevator. The elevator experiences24bt-znd,zkrbc11 hwix-p. a a constant downward acceleration of magnitude $6.0\; m/s^{2}$ . Let Trepresent the magnitude of the force by the string (tension) acting on the mass M, let G represent the magnitude of the gravitational force by the Earth acting on the mass M, and let F represent the magnitude of the net force acting on the mass M. Which one of the following choices describes the relationships between these forces?
A. $T = G = F$
B. $ F < G < T $
C. $T = F < G $
D. $F < T = G $
E. $T < F < G$
参考答案: E
本题详细解析:
暂无
| 
