Assume you can hook every locomotive and car Union Pacific owns up into a single gigantic freight train. Safety and laws aside, would it work?
In: Physics
One would assume that braking gets more difficult by every bit of weight added due inertia, to a point where braking is so difficult, that train couldn’t take corners anymore. And brakes would likely wear and tear like mad. Rail infrastructure, too.
Also, your superlong train would take super long to load. And we don’t need or want to load trains, we need goods and passengers **delivered**. Loading and unloading is just something inconvenient. If all train mostly does is loading, it’s pretty useless. Whatever you win with longer train, you probably lose triple due delayed delivery.
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