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 w7 nhjog)/8lpc ee zvh b6qw6-s;u ws*e9xq3 ss,ight 40 N supports two children weighing 500 N and 350 N, respectively. If the support is at the center of the board and the 500-N child 3euq*sx-zb;9 w,6ves 6hqss wis 1.5 m from 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:
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