Challenge your friends with these two chair tricks! Unlock the mysteries of chair physics with these mind-bending tricks! Did you know you can keep someone stuck in a chair using only two fingers? In this video, Alex Dainis explores the fascinating science behind this unusual challenge, delving into the concept of center of mass. But that's not all – she’ll also reveal a surprising chair trick involving foot size and the struggle of lifting it against a wall. Try them with your friends and share your experiences in the comments below!