Students often underestimate the force of friction, despite the fact that friction is the force that acts every day to bring their school buses and cars to a stop. In this video, two phone books are interwoven page- by-page and the friction between the thin sheets of paper is put to the ultimate test – can the frictional force between two interleaved phone books lift a 3, 500 lb car? Watch the video below to see what happens.
Think of the total area between 2 phone books. That is a lot of friction!
Is It Possible To Pull Them Apart?
Watch Mythbusters try the experiment again using two military tankers.