Suppose a man is sitting in a train. Man is moving with train till the last journey as man is in contact with train. BUT WHAT ABOUT FLY which is also moving along with train with high speed. HOW IT IS POSSIBLE? (if fly is not sited anywhere till last journey).

I've visited the help-center of one the sites, and noticed a "useful resources" section: I'm surprised to see it, since I don't see it in the help center of other sites. So, how can we have such section in other site? Can a community (say Hinduism) decide and write such stuff (if worthy t...