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 held up by a wire at eachu1xn mb+t9ur0b jl s2:hkx.8r end. The scaffold5 r*kga: dzt/:a,d3 ctc/msy l is 18 m long. A 650-5c3s z*d :ar :/lt/ygc d,amktN 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
| 
