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Chan790

(20,176 posts)
8. Displacement may be a factor here.
Tue Oct 1, 2013, 11:38 AM
Oct 2013

I never thought about it until I was standing on the edge of a platform when a no-stop went full speed through the Subway station. Those trains displace a lot of air and an object moving at high speed with a large volume is going to displace enough air to pull you towards it as it passes. That was a 8-car light-rail subway train...imagine how much more a 100-car heavy-gauge freight train moves.

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