Newton’s law of motion (id: d26133fcf)

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]
00.13: An object near the surface of the earth with d hv.i*c1 ;uot6mr)cd a7)ymyz) bc:tgn v 5)xq weight of 100 newtons is ax)q)5 :bzn7gt) yymcvccelerated at $4\;m/s^{2}$ . What is the net force on the object?

A. 25N
B. 40N
C. 250N
D. 400N
E. 2500N


参考答案:  B


本题详细解析: 暂无

微信扫一扫，分享更方便