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 500-N person stands;*t)qw6ce 4chu7 6u;kj tplje fpdkk+) qv lwaez0*xwe1rn7o-x j8/2 on a uniform board of weight 100 N and length 8.0 m. The board is supported at each end. If the support force at the right end is three times that at the left end, how far from the ri0vrkw xz7x8plo) 1wkej+ f-qda2 e*/nght end is the person?
A. $4.0 \; m$
B. $2.0 \; m$
C. $1.6 \; m$
D. $6.4 \; m$
参考答案: C
本题详细解析:
暂无
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