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 student pulls a box of books on ,olo-k;1zfxa a smooth horizontal floor+s oiz:cse; -wd,qn, ar5ru m4thw5 f-,ahml( with a force of 100 N in a direction h,nm; usozafs5r,l,(q:wh45 riw -e + cmadt- of $37^{\circ}$ above the horizontal. If the mass of the box and the books is 40.0 kg, what is the acceleration of the box?
A. $1.5 \; m/s^2$
B. $1.9 \; m/s^2$
C. $2.0 \; m/s^2$
D. $3.3 \; m/s^2$
参考答案: C
本题详细解析:
暂无
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