Incorrect Physics of My Little Pony

In the video below a student gave a presentation why the physics of My Little Pony are wrong. This is what the author had to say about it:

Yes, it has happened. “Physical Impossibilities in My Little Pony: Friendship is Magic.” For our project, we had to find three scenes from any movie or TV show and use physics to find out if something was or wasn’t possible. I got 100% on it.

[Via GeeksAreSexy]