本题目来源于试卷: Physics Unit3: Kiematics Motion in Two Dimension & Vectors，类别为 国际高中通用物理
[单选题]
Three forces, each having a magnitude of 30 N, pullg- x. ubr/yoh6 on an object in*dezamz okbavy3 *5 9. directions that *dby5z*ma zkv39a o.eare $120^{\circ}$ apart from each other. Make a statement concerning the resultant force.
A. The resultant force is zero.
B. The resultant force is greater than 30 N.
C. The resultant force is equal to 30 N.
D. The resultant force is less than 30 N.
参考答案: A
本题详细解析:
暂无
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