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==GA Reassessment==
{{Wikipedia:Good article reassessment/Caltrain Modernization Program/1}}
== There is a mistake. The "messenger wire" hangs in a catenary curve, not a parabola. ==
Hanging ropes, chains, cables, if pulled down by a uniform force of gravity, assume the shape of a "catenary curve" not a parabolic curve. In the description of the electrical system, it talks about a messenger wire from which the conductor is suspended. It says this is curved as a parabola. It should say catenary curve. [[Special:Contributions/73.231.66.144|73.231.66.144]] ([[User talk:73.231.66.144|talk]]) 02:31, 21 July 2025 (UTC)
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