题目内容（请给出正确答案）

[主观题]

An 800-N billboard worker stands on a 4.0-m scaffold weighing 500 N and supported by verti

cal ropes at each end. How far would the worker stand from one of the supporting ropes to produce a tension of 550 N in that rope？

A、1.4 m

B、2.0 m

C、2.5 m

D、2.7 m

E、3.7 m

F、1.7 m

提问人：网友bnuepitc 发布时间：2022-01-07

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