The Magical Rope (not)

Riddle: A horse is able to reach hay that is 20 meters away even though the rope attached to his neck is only 10 meters long. How is this possible?

Answer: The other end of the rope isn't attached to a fence or anything. Source: https://www.riddles.com/4500

A horse is able to reach hay that is 20 meters away even though the rope attached to his neck is only 10 meters long. How is this possible? — The Magical Rope (not) by Joebel29 Riddle