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 200-N scaffold is (hjm+ oxw2v.n,k8 : nzguk:ut u2y)ks1)w ap:qogyci;f ; mw.af.mv : held up by a wire at each end. The scaffold is 18 m long. A :1m ywkys ap2..qmf );wug:;fa)ovci650-N box sits
3.1 m from the left end. What is the tension in each wire?
A. left wire = 520 N; right wire = 130 N
B. left wire = 640 N; right wire = 210 N
C. left wire = 195 N; right wire = 975 N
D. left wire = 295 N; right wire = 1000 N
参考答案: B
本题详细解析:
暂无
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