eli5 Why do trains with steel wheels have traction on steel rails, but if your brakes on your car are used up and become steel on steel they dont work anymore?

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eli5 Why do trains with steel wheels have traction on steel rails, but if your brakes on your car are used up and become steel on steel they dont work anymore?

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Anonymous 0 Comments

Trains do not have good traction. Trains take a long time to slow down and speed up. They cannot go up steep hills because the wheels of the locomotive would slip too much.

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