Just passed by a train with a hundred or so cargo crates. how do they start? I understand how they continue moving, but how do they overcome the inertia of starting it? It has to be like thousands of tons, and I can’t imagine a bunch of coal being able to start moving that. unless of course it can, in which ELI5
In: Engineering
The short answer is a shitload of power/torque.
Most, if not all, engines these days are diesel-electric.
Meaning that the engine spins a generator, then the generator turns an electric motor.
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