It was not originally created, however, with either of these purposes in mind. The ultimate collection of free physics videos futurism. Some months a go i filmed a slinky falling in slow motion. If a slinky is not at the top of your christmas list you might want to think again. If a vertical slinky pulse were sent through two vertical slits, you would expect that the pulse would pass through the first slit and then the second slit. The vibrations travel through the slinky from the location where it is shook to the ends and then back. There are already a number of videos focusing on the bottom end of a dropped slinky spring. The parts of the slinky in a transverse wave move vertically up and. To investigate how the diameter of a slinky spring will affect the velocity of a pulse transverse travelling along it. Basic physics will then allow you to determine the hookes law spring. Physics galaxy is an interactive physics online course and elearning method delivering pathbreaking teaching system with instant grasp and explanation of nittygritty physics concepts in a seamless manner and approach to most age groups. Learn more about the apis defined in the library by reading our technical documentation and. You are absolutely correct that the bottom of the slinky does not move because the tension of the rest of the slinky pulling up balances the force due to gravity pulling down until the moment that the slinky is fully compressed and the whole thing falls with the acceleration due to gravity. A slinky looks as though it is levitating when dropped.
Will the small man pinioned to the bottom of the slinky go up, down or remain stationary when the top of the slinky is dropped. What happens when your kids wont give you a turn on the wii. Your browser does not currently recognize any of the video formats available. A few weeks ago my physics teacher showed this video in class and i yelled out. This is an example of harmonic motion, a special class of oscillatory motion. The slinky approximation is essentially the assumption that the extensions we are dealing with including the equilibrium length are much greater than the natural length of the spring. Feb 23, 2011 will the small man pinioned to the bottom of the slinky go up, down or remain stationary when the top of the slinky is dropped. A video instructional series on physics for college and high school classrooms and adult learners. Its slinky, its slinky, its fun, its a wonderful toy. It can perform a number of tricks, such as traveling down a flight of stairs, while moving end over end. Physics experimenting with slinky springs enoch lau 11ph1 page 3 of 12 experimenting with slinky springs. Have you ever watched a slinky gyrate back and forth. Secrets of the levitating slinky explained live science. The previous post on the falling slinky left a need for a follow up post.
Homework statement a slinky with natural length of 3. Slinky base does not immediately fall due to gravity. You take their lego bricks and their slinky and do some physics. Adding physicsbased animations to android apps by ashraff. Stack overflow for teams is a private, secure spot for you and your coworkers to find and share information. Dec 18, 2012 if a slinky is not at the top of your christmas list you might want to think again.
It can also appear to levitate for a period of time after it has been dropped. As a result, unruh, a world expert in black hole radiation, became captivated with slinky physics. To find ways of altering the wave velocity of a pulse transverse in the same spring as investigation 1 context. Physics experimenting with slinky springs enoch lau 11ph1 page 6 of 12 experimenting with slinky springs. In this list, we bring you the 8 best android games based on physical components that will delight fans of the physics game. Simple it may be, but dont underestimate the scientific principles at play. The slinky consists of a collection of dots to represent its coils. Pocket physics is easy to use, free education app that covers most of the vital concepts, equations, and formulas of physics. Any individual dot can be grabbed at one location and shook back and forth to create vibrations. The slinky is a simple toy, consisting of nothing more than a helical spring made of metal or plastic.
Get your team aligned with all the tools you need on one secure, reliable video platform. You can see that the bottom of the slinky remain stationary while the top rapidly falls. Google has empowered developers with an easy way to create cool animations that mimic the law of physics with just a few lines of code. Dropped slinky on vimeo the highquality home for video. At this time, we do not have plans for supporting new platforms with video physics. When a person holding on to one of the light strings moves. And recently, bill unruh, a physics professor at the university of british columbia, in vancouver, heard some colleagues in the faculty lounge. Slinky advphoto is a member of vimeo, the home for high quality videos and the people who love them. Thats why recent revisions of the android support library. Dec 21, 2011 and recently, bill unruh, a physics professor at the university of british columbia, in vancouver, heard some colleagues in the faculty lounge discussing a video of the levitating slinky. For deeper explanations of transverse and longitudinal waves, see our video.
Watch the everyday slinky defy the laws of physics and. Grades 68, 912 slinky science instructions materials per pair or whole class. For example, this is true in a slinky, which stretches to much greater lengths when you pull it than its natural length. How does a slinky fall when extended by its own weight and then released. Graphics provided by granger meador, physics teacher, bartlesville oklahoma high school. Buy ajax scientific slinky wave generator, 75mm diameter. For an explanation of why this happens, see my updat. A physics teacher attaches a slinky to the wall and begins introducing pulses with amplitude. The slinky polarizer can be used as a way to understand the light polarizers. It can also appear to levitate for a period of time after. Also it includes physics questions and a thought out solutions. Slinky song what walks down stairs, alone or in pairs and makes a slinkity sound. For example, this is true in a slinky, which stretches to much greater lengths when you. Using a simple household toy it is possible to observe a strange and intriguing physics phenomenon.
What happens when the wave hits the end of the slinky. Include at least one sketch of what they look like when they meet in the middle. Watch the video to see the same effect from the top of a. You can learn with the tutorials that covers wide range of physics topics. We discover the surprising answer using a slow motion camera that records 300 frames per second. Watch the everyday slinky defy the laws of physics and gravity but try not to go loopy. Rod cross from the video also confirmed that the motion of the. Conan hughes february 2, 20 186 shares new game cubes vs. This is the last in a series of six videos about slinkies. It was invented by richard james in the early 1940s. Jun 22, 2012 watch the everyday slinky defy the laws of physics and gravity but try not to go loopy. The answer to the question what happens to a tennis ball tied to the bottom of a slinky after the top of the slinky is let go. When a slinky is fully extended and then released, it can be seen that the top and bottom of the slinky act somewhat unusually.
The physics of a falling slinky shimon kolkowitz october 31, 2007 submitted as coursework for physics 210, stanford university, autumn 2007 introduction. Grab a coffee and start downloading the best physics game for android listed below and when you are finished with the coffee there will be some great puzzle waiting for you. A slinky falling in slow motion doesnt move the way youd expect. Which of two pulses below will take the least amount of time to reach the wall. Watch the video to see the same effect from the top of a building. The slinky lab simulation provides the user with a virtual slinky. Making a slinky walk down steps or draping it over your arm to imitate a robot is fun but the.
The equation for this, derived from hookes law see picture ticker tape lab answers. Simple harmonic motion in a springmass system science project. Dec 22, 2011 and recently, bill unruh, a physics professor at the university of british columbia, in vancouver, heard some colleagues in the faculty lounge discussing a video of the levitating slinky. Taken with an edgertronic high speed video camera, video is 16. If you are looking for a science project that involves a slinky but dont know where to begin, here are some slinky science projects to try out. The slinky is one of the most popular toys in the world, being used by children in the playroom and nasa scientists trying to demonstrate physical. A new casual physicsbased puzzler is now available on android. In your notebook, draw pictures of what you see happening with each type of wave.
I recently bought a slink to physically demonstrate sounds from space, so i ended up recreating the slink drop experiment but doing some analysis on it as well. Try the experiment with different sizes of slinky and different slopes. When the slinky walks down a gentler slope, it will move more slowly, but will walk farther because the momentum is steady. Again, we will use the formula v s t to calculate the velocity of the pulse travelling along the spring. A slinky is a precompressed helical spring toy invented by richard james in the early 1940s. To understand this, think what is happening just before and after the slinky is released. Measure the spring constant of a slinky using lego pieces. And recently, bill unruh, a physics professor at the university of british columbia, in vancouver, heard some colleagues in the faculty lounge discussing a video of the levitating slinky. A new casual physics based puzzler is now available on android. Dec 20, 2015 slinky song what walks down stairs, alone or in pairs and makes a slinkity sound.
Create a 20cm wave pulse at one end and a 20cm wave pulse at the other end that is the reflection of the other over the midline of the slinky. Dropping a slinky in slow motion, filmed with a redlake n3 high speed camera at 1,000 frames per second. Draw a similar set of sketches to show what would happen. If the slinky walks down a steep slope, such as a staircase, it travels faster because gravity pulls it down with greater force.
This app is enhance with a physics quiz to help you practice your knowledge of physics on the go. What happens when a slinky that has been extended under its own weight is released. It can perform a number of tricks, including travelling down a flight of steps endoverend as it stretches and reforms itself with the aid of gravity and its own momentum, or appear to levitate for a period of time after it has been dropped. This education application is a musthave guide, whether you want to refresh your knowledge, prepare for an exam, or just refresh the core concepts of physics. I know this seems very basic, but i have a question about standing waves.
You take their lego bricks and their slinky and do. The physics behind slinky drops gravity vs tension. Spheres arrives on the play store, comes with addictive. In the article from stanfords the physics of a falling slinky a thorough explanation is given as to why this is so. This app is enhance with a physics quiz to help you practice your knowledge of. Oct 12, 2017 i recently bought a slink to physically demonstrate sounds from space, so i ended up recreating the slink drop experiment but doing some analysis on it as well. Complete physics is an app for any student planning to learn or become good in physics. Project nesm never ending slinky machine by creatables labs. The best way to see these in action is to watch a slinky as it tumbles down a flight of stairs. Rgs 2014 year 3 physics performance task a introduction this report is the analysis of the motion of a slinky dropping. Pocket physics provides discrete explanations of critical concepts taught in an introductory physics course. Oct 26, 2010 vvp, android, mobile, video physics, ios.