A pair of cars also failed at pulling the phone books apart. In the case of friction at single interface then its true that increasing the surface area doesnt generally help much, as force is spread over a larger area in parallel and, as a previous poster said, the reduction in. Why cant two interleaved phone books be pulled apart. I can not really say why surface area doesnt affect the frictional force because clearly sometimes it does as in the case of the mythbusters pulling the phone book. The trick apparently also works pretty well with reasonably thick magazines. Just how these forces arise has been a longstanding mystery until now. Mythbusters phone book friction full episode video. In this episode they tried to bust the myth that it is impossible to pull two interleaved phone books apart. Factors affecting friction frictional force physics grade 8. Friction is due to a normal force, meaning that the direction in which. But, in 2016, the series ended with the original mythbusting duo confirming that they do not want to continue with the show.
The mythbusters tried to pull the two phone books apart with human power, which was unsuccessful. Jun 20, 2017 test which surfaces create more friction, see how strong friction is, learn how to reduce friction, and even discover the side effects of friction. The discovery channels mythbusters recently conducted an experiment to find out how much force is required to separate two interleaved phone books. Find out whether jamie hyneman and adam savages ducttape canoe can survive waves 3 to 4 feet taller than their bow, and see what made adam cry, uh oh.
Hyneman claimed to be a problematic kid, hitchhiking around the country at the young age of 14. Mythbusters phone book friction full episode video dailymotion. Mythbusters phonebook friction tv episode 2008 imdb. Ideal as a supplement to a curriculum or for independent study. Check out exclusive footage straight from the mythbusters own video cameras. Physics stack exchange is a question and answer site for active researchers, academics and students of physics. Jan 05, 2016 yes, this is the final season of the mythbusters. Does the frictional force on a whip wrapped around a log depend on the number of loops. This is a list of the various myths tested on the show as well as the results of the experiments the myth is busted, plausible, or confirmed. Physicists solve the mystery of interleaved phone books. Mar 31, 2010 during their small scale tests, the mythbusters discovered that water can diminish the force of a shock wave caused by an explosion, giving credence to this myth. The phone books came apart but not by the pages, it ripped the bindings completely off the book.
This is the norm when analyzing and solving realworld problems. Testing ways of getting past a vicious guard dog that wants to bite you. The official mythbusters website lists episodes by calendar year. May 07, 2009 mythbusters phone book friction discovery. Hey im looking for mythbusters episodes that contain mostly physics. Watch mythbusters season 6, episode 12 phone book friction. A long time ago, a phone book was a book that had an index of phone numbers for everyone in your city. Nov 24, 2017 discovery channel is a great place to learn new and exciting things.
But with multiple layers, the force stays the same over a larger area, so each layer interaction is like an independent system, each generating friction f, that then get summed together. Virtual reality technology lets mom reunite with her deceased child. The pages of the sticky note pads are held together by friction. On this episode of mythbusters adam and jamie take a fan mail film and use it to dial in on a phone book fable. This phenomenon is commonly demonstrated with phone books. The topics chosen lend themselves well to a physics analysis. The phone books wouldnt come apart using all the mythbusters gadgets and even attaching the phone books between two cars. Designed for teachers, students, parents, homeschoolers, educators and all lifelong learners. It is an old barroom trickmaking a nexttoimpossible task seem easy. The overlap area of the two phone books in figure 1 is 10 cm by 25 cm 0. Inspired designs on tshirts, posters, stickers, home decor, and more by independent artists and designers from around the world.
Missouri man finds stacks of family photos and reunites them with their owners. They will apply cuttingedge science with ageold legends and modernday myths to prove or disprove what is real and what is truly urban legend. Its hosted by jamie hyneman, a model maker and specialeffects expert for the movie and tv industries, and adam savage, whose handy expertise includes carpentry, welding, and animation. Phone book friction, from mythbusters the enigma of the two interleaved phonebooks pdf, from cornell university library slippery science.
Aug 17, 2015 physicists solve the mystery of interleaved phone books. Sequioa publishing also has a limitededition hardcover version available. Sep 18, 2008 mythbusters phone book friction duration. To help during this pandemic, ive lowered the price of my membership which has over digital resources plus over a 100 flipped video lessons you can provide your students with so they dont fall behind.
The suggestion that two interleaved phone books cannot be pulled apart is more complex than it seems. Where do i get the little black book that the mythbusters use. In this case, the friction force was so high because the surface. Mythbusters ejection seat segment from mega movie myths special duration.
Apr 22, 2009 what mythbusters episodes contain physics. In the latest show, they tested the myth that two phone books with their pages alternating were. During their small scale tests, the mythbusters discovered that water can diminish the force of a shock wave caused by an explosion, giving credence to this myth. In relation to this interleaved phone book the normal force is applied to all the pages in series instead of in parallel. All orders are custom made and most ship worldwide within 24 hours. The mythbusters, jamie and adam, two special effects experts with over 30 years experience between them, set out to methodically bust three urban legends in each episode. Jamie and adam took to 800pg phone books and interlaced the pages one page ontop of the other and tried seperating them the myth being theyre unseperable. In this video, two phone books are interwoven page bypage 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. And then kari, grant and tory test a fishy tale of hollywood pyrotechnics with their own big bang theories. Learn the physics behind the surprisingly powerful force of friction. Phone books would be much harder to pull apart because the sheets in the mythbusters experiment were completely overlapping unlike these sticky notes which are only partly overlapping less surface area, also the phone books are much heavier so the frictional force. The topics, in general, do not fit neatly into individual and separate concept groups.
Explore friction by launching stuff, from scientific. Ellen still isnt convinced the phone book is a waste of paper duration. For kkco 11 news, im aaron luna if you have a theory youd like aaron to put to the test, send. Jamie hynemans early life hyneman was born on september 25, 1956 in marshall, michigan. The greatest part of the show is the fact adam savage and jamie hyneman arent scientists but they still do some awesome science. People have tried pulling two interleaved phone books apart by playing tug. The mythbusters arent really doing it wrong, but they give me a chance to talk about some physics. Mythbusters with phone book friction static and kinetic friction to understand the other kind of friction, imagine trying to push a heavy couch across the floor. They used vehicles to exert 8,000 pounds of force on the phone books before they separated. The show does not follow a typical calendar of on and off air periods. Trying to separate the books by pulling on their spines is incredibly difficult due to the massive amount of friction between the pages.
Researchers explain why its nearly impossible to separate. Mythbusters should either hire someone to make nicer versions of these explanations or just not include them at all in the show. This is awfully similar to the experiment that mythbusters conducted. It is impossible to separate two interlocked phone books due to the massive amount of friction between the 800 pages of each book. Take for instance the mythbusters episode where they tried to pull two phone books apart that were only held together by friction. While the myth was busted, the mythbusters pointed out that it took 8,000 pounds 3,600 kg, or about 36,000 n of force to part the phone books. Does interweaving the pages of two phone books create an unbreakable bond. One of their most popular shows was mythbusters, with hostsexperts adam savage and jamie hyneman as the faces of the show for almost 300 episodes. This results in a huge increase in the friction force, making them nearly impossible to pull apart. Each episode, the mythbusters, adam savage and jamie hyneman, two special effects experts with more than 30 years of experience, methodically set out to bust three urban legends. Why it takes tanks to separate two phone books the pipettepen. Graham best explains to what extent friction depends on weight and surface area. The tv show mythbusters had an episode in which they interleaved two phone books and dramatized how hard it was to pull them apart. The cast of the television series mythbusters perform experiments to verify or debunk urban legends, old wives tales, and the like.
And they dont just explain if somethings true or false. The only one i can think of is the one where they break a glass cup using your voice. Can a shark be blown up like they did in deep blue sea. Oct 22, 2015 phone book friction, from mythbusters the enigma of the two interleaved phonebooks pdf, from cornell university library slippery science. When sitting on the table, the average force on a page is about half the combined weight of the phone books, or 10 newtons 2. With jamie hyneman, adam savage, tory belleci, grant imahara. For their full scale test, the mythbusters hung rupture discs 5 feet above water, 5 feet below water, and 10 feet below water at 5, 10, 20, and 50 foot intervals away from the explosives. Will tory and kari successfully pull apart two phone books in 30 minutes without breaking their teeth. Apr 15, 2015 are two interlaced phone books impossible to pull apart by any means. Aug 26, 2015 in this case, the traction instrument was brought out think the opposite of a vice, it was used to pull books apart while measuring the force required to do so. Feb 19, 2017 mythbusters phone book friction video this is a short video clip from the episode of mythbusters on the discovery channel. Savage has commented that it is difficult to test myths that require them to disprove general claims because of the. Try pulling apart two interleaved phone books and youll inevitably be defeated by huge frictional forces.
Advanced level are two interlaced phone books impossible to pull apart by any means. The force of friction and the weight of the pages combine, tightly binding the phone books together and making separation impossible for a single person. The topics in this ebook are taken from select episodes of the mythbusters television show. Mythbusters phonebook friction tv episode 2008 on imdb. 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 short, it is extremely difficult to pull apart two phone books whose pages.
Then interleave the pages and try to pull the books apart. Can the frictional force between two phone books lift a. The explosive truth behind 30 of the most perplexing urban legends of all time zimmerman, keith, zimmerman, kent, hyneman, jamie, savage, adam, rees, peter on. There are sliding friction experiments, a phone book friction experiment, a way to make rice stick together, an experiment to create frictional heat, and lots more friction experiments for all ages. The more pages you add, the larger this effect becomes. Finally, the mythbusters resorted to using an m551 sheridan light tank and an m1 armored personnel carrier, which were able to pull the phone books apart. In this experiment the mythbusters find out and newtons laws are proven to be correct. Mythbusters gave it a shot and could not pull apart the phone books until.
Produced by the discovery channel in australia filmed in the united states, it aired around the world. Are two interlaced phone books impossible to pull apart by any means. Mythbusters phone book friction worksheet season 6. The arxiv blog has a nice writeup of that writeup, with the headline physicists solve the mystery of interleaved phone books try pulling apart two interleaved phone books and youll inevitably be defeated by huge frictional forces. Even a small number of interleaved pages can result in a surprisingly large amount of friction, making the sticky notes impossible to pull apart.
Cell phone destroys gas station season 1, episode 3 thermodynamics, electricity, pressure, velocity, force, acceleration. Physicists solve the mystery of interleaved phone books mit. Hosted by morgan freeman, through the wormhole explores the deepest mysteries of existence the questions that have puzzled mankind for eternity. Mythbusters is a science entertainment tv program created and produced by australias beyond television productions for the discovery channel there is no consistent system for organizing mythbusters episodes into seasons. While the myth was busted, the mythbusters pointed out that it took 8,000 pounds of force to pull the phone books apart, meaning that you could literally hang two full size cars from it.
A famous demonstration of the counterintuitive power of friction involves two telephone directories with their pages alternately interleaved. Adam and jamie test the classic myth about seeing if any amount of force can separate two phone books when the pages are interwoven. What happened to jamie hyneman what hes doing now in 2018. For the leaves of 2 phones books interweaved in each other, it took approx 8000 pounds of force to tear them apart. In theory, two cars could hang from interleaved phone books without their being pulled apart. Tens of thousands of excellent, educational videos in a huge, intuitive directory. Determining coefficients of friction of paper physics forums. Mythbusters, a television show 20032016, with a couple reboots since hosted by specialeffects experts jamie hyneman and adam savage, promoted skepticism about urban legends and attempted to prove or disprove them by experiment. The explosive truth behind 30 of the most perplexing urban legends of all time isbn 141690929x also gives a list of a dozen myths that are unlikely to be explored although four were eventually tested. In fact, if the experiment is done at a larger scale using two phone books, those phone books can even be attached to a crane to lift the weight of an entire car.
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