本题目来源于试卷: Physics Unit9: Static Equilibrium, Elasticity and Fracture，类别为 通用国际物理
[单选题]
A uniform board of weight 40 N supports two children weighing 500 N ye , ek v; s*0a/axysrbr95m zt8*egt,andfmt:dtl*+j u:vw sosr3x (/ /s 350 N, respectively. If the support is at the center of the board and the 500-N child is 1.5 m f:wd*ot mf+s(3jlsxt/ :s v /urrom the center, what is the position of the 350-N child?
A. $1.1 \; m$
B. $1.5 \; m$
C. $2.1 \; m$
D. $2.7 \; m$
参考答案: C
本题详细解析:
暂无
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