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 I clas uj:y5a4xs7 za: n c,yss were in c-y- o8;hrrpu lab conducting an experiment related to Newton's Second Law. The collected data were displayed on the graph at the right. From this graph, what conclusion or-yp;8-uhrc s 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
|