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Why does the rail on an escalator travel faster than the steps?

April 26, 2017Devices escalator faster inventions rail steps Travel

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Why does the rail on an escalator travel faster than the steps?

1 Answer

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10 Posted

I’m thinking it’s because the rail has a wider loop to complete than the stairs do. I don’t know for sure, but I’ll bet the rail track is lower than the stairs on the underside, just as the rail track is higher than the stairs on the side we stand on.