Physics Unit9: Static Equilibrium, Elasticity and Fracture (id: 22cdd3520)

本题目来源于试卷: Physics Unit9: Static Equilibrium, Elasticity and Fracture，类别为 国际高中通用物理

[单选题]
A 10-m uniform beam o2xgff8wq8) u2ou2ak h 37wno;tul6rv 6l n*o4hlen bo mso,4+yp)p(pf weight 100 N is supported by two ropes at the ends. If a 400-N person sits at 2.0 m from the left ewollorn(7*3e4pot o+,h n;lsp 6pvub) n 6y4mnd of the beam, what is the tension in the left rope?

A. $130 \; N$
B. $250 \; N$
C. $370 \; N$
D. $500 \; N$


参考答案:  C


本题详细解析: 暂无

微信扫一扫，分享更方便