本题目来源于试卷: Newton’s law of motion，类别为 美国物理杯赛(Physics Bowl)
[单选题]
05.06: The students in a Physics y qm ;rme .c26:8vhcyoI class were in lab conducting an experiment h;ra,w z- rj3erelated to Newton's Second Law. The collected data were displayed on the graph at th ,jrr;a he- z3we right. From this graph, what conclusions can the students make?
A. The mass of the system was constant.
B. The acceleration of the system was constant.
C. The force acting on the system was constant.
D. The force acting on the system is not related to the acceleration of the system.
E. The force acting on any system will always be less than 20 N.
参考答案: A
本题详细解析:
暂无
| 
