本题目来源于试卷: Typical Forces，类别为 美国物理杯赛(Physics Bowl)
[单选题]
01.11: A 5 kg block rests on x)gva)rj/ v hqscpu w ,gk)ij :6(*jmc5k /o2ka flat plane in a.k/81r ya til;nlxh :clined at an angle of $30^{\circ}$ to the horizon as shown in the diagram below.
What would be the acceleration of the block down the plane assuming the force of friction is negligible?
A. 0.5 $m/s^{2}$
B. 0.87 $m/s^{2}$
C. 5 $m/s^{2}$
D. 8.7 $m/s^{2}$
E. 10 $m/s^{2}$
参考答案: C
本题详细解析:
暂无
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