Thread:Dayne Dariel/@comment-27915436-20160530120113/@comment-27247962-20160604175814

gravitation, I'd say. If someone pushes you in space you'll keep moving until you hit an other object.

But there's a flaw (I think) in your second sentence, so maybe that's why people have a harder time.

To me it should be: A motionless body in motion will remain forever moving unless something stops it.

Do you see what I mean?