by alphadog on March 1st, 2007

alphadog

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Why does it take so long to stop a modern locomotive if the brakes fail ? I know it cant make an instant stop , but there has been a lot on tv about runaway locomotives, why cant they just shut the engine off ? how exactly do they work? anyway?

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Answers. 2 helpful answers below.

  • by nong33 on March 1st, 2007

    nong33

    Inertia, simply that. You know that old law of physics where an object in motion tends to stay in motion, right? If you look at your average train you can plainly see it has a helluva lot of mass. Trying to stop that much "object" with all that "motion" is no easy task, even if we were in zero gravity.

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  • by Romiex69x on March 1st, 2007

    Romiex69x

    It's hard to stop them, because there is lots of weight, and not much traction when breaking, metal on metal, no rubber.

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