this post was submitted on 18 Aug 2023
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Only if you assume the people will experience friction against the portal.
If they would accelerate to the speed of the train within the time it takes them to go through it, they'd experience very high pressure change against the due to one part of body accelerating faster than the other. This would cause the bodies to explode out the portal
Interesting. It would be the same as if the trolley hit them directly.
Yes, as I noted elsewhere in the thread, the part of the body exiting the portal will experience inertia as it enters into the space outside the second portal and it will be forcefully pushed by the next part of the body heading into the first portal and thus imparting momentum to the parts ahead.
If this momentum has to be taken from anywhere its from the portal itself and by extension the train.