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 massless scaffold iscwinst yh-4phsy( d3c zaf;x, ki- ,;7 held up by a wire at each end. The scaffold ittv.z gz 2;oht5rr* ;zwy,ut6s 12 m long. A 300-N bov w*rz2r6;yoz5.;, uttgzth tx sits 4.0 m from the left end. What is the tension in each wire?
A. left wire = 100 N; right wire = 200 N
B. left wire = 200 N; right wire = 100 N
C. left wire = 900 N; right wire = 2700 N
D. left wire = 2700 N; right wire = 900 N
参考答案: B
本题详细解析:
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