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 bt4x-pdw, 2pp+kl3os,9u oz/q+neafk/o f g q4y a wirbw)yl23 8hf0ezx0gl-7w f f v(,+l temck*whfe at each end. The scaffold is 18 m long. A 650-N lf3 -(2em tlvzfwy+0k)gwc8x* lb0heff, h 7wbox 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
| 
