Physics Unit4: Force Dynamics & Newton's Laws (id: 98144d79a)

本题目来源于试卷: Physics Unit4: Force Dynamics & Newton's Laws，类别为 通用国际物理

[单选题]
A horizontal force of 5.0 N accelerates a 4.xidrjyq pow xw*91cu50.o8 1 ,pug2mh0-kg m1a4+l gp h:zcaass, from rest, at a rate of $0.50 \; m/s^2$ in the positive direction. What friction force acts on the mass?

A. $2.0 \; N$
B. $3.0 \; N$
C. $4.0 \; N$
D. $5.0 \; N$


参考答案:  B


本题详细解析: 暂无

微信扫一扫，分享更方便