Check out this and other cool science experiments at www.stevespanglerscience.com Learning about Newton's Laws of Motion is anything but boring. Grab a clear balloon and a penny and learn about interia and centripetal force (that's right... it's centripetal - not centrifugal). Once you've mastered the Spinning Penny demo, you'll need to move Netwon's Waiter Tray - a spinning tray of glasses. As you'll see in this video, everything went just fine until the spinning waiter's tray accidentally hit the lady's leg... and then the demo turned into flying glasses of water! About Steve Spangler Science... Steve Spangler is a celebrity teacher, science toy designer, speaker, author and an Emmy award-winning television personality. Spangler is probably best known for his Mentos and Diet Coke geyser experiment that went viral in 2005 and prompted more than 1000 related YouTube videos. Spangler is the founder of www.SteveSpanglerScience.com, a Denver-based company specializing in the creation of science toys, classroom science demonstrations, teacher resources and home for Spangler's popular science experiment archive and video collection. Spangler is a frequent guest on the Ellen DeGeneres Show where he takes classroom science experiments to the extreme. Check out his pool filled with 2500 boxes of cornstarch! Cool Science Toys - www.SteveSpanglerScience.com Sign up for the Experiment of the Week - http Watch Spangler's Science Videos - www.stevespanglerscience.com Attend a Spangler <b>...</b>

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Intuition behind what it takes to make something travel in a circle

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This animation shows centripetal acceleration as a limit of successive "bounces" off of a wall, each bounce gives a push towards the center of the circle.

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Centripetal Force Demo

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This is nothing to do with Java. Its a private video I'm uploading to explain something. It's about centripetal force, centrifugal force and circular motion. But it might be of interest to others.

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How fast does a car need to go to complete a loop-d-loop.

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More intuition on centripetal acceleration. A simple orbit problem.

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Tested in thousands of student lab experiments, our well known Quantitative Centripetal Force Apparatus has proved its worth. Its simple concept and robust construction guarantee reliable lab success. A hanging mass and a counter-balance are attached to a horizontal bar mounted atop a vertical shaft about 45cm high, and the suspended mass is tied to the vertical shaft with a horizontal spring. When the shaft is spun, the suspended mass swings away. The displacement at any given speed is marked by a vertical mounted pointer that can be moved laterally to match the pointed tip of the suspended mass. From the mass, the speed of rotation and the radius, one can quickly calculate the centripetal force. Using the included weight hanger and ball-bearing pulley, you can measure the force required under static conditions to displace the mass the same distance against the pull of the spring. Spring and mass are dimensioned to ensure a rotational speed slow enough to be safe and easily counted. The vertical shaft rests in a ball-bearing mount that minimizes wobble and friction. www.cencophysics.com

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Free Science Help at Brightstorm! brightstorm.com Understanding centripetal force.

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Paul Hewitt demos centripital force by taking a bucket full of water and hurling it over his head and the class.

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www.physicseh.com Free simple easy to follow videos and we have organized them on our website.

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We have a number of videos so we have organized them on our school website. www.earlhaig.ca This is our series of physics lesson videos made for our students at Earl Haig SS in North York, Ontario, Canada. Let us know if you found them helpful. Mr Caruana & Mr Morin

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Centripetal Motion problem of a car going around a turn explained and solved by James Dann for CK12.org CC by SA

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We have a number of videos so we have organized them on our school website. www.earlhaig.ca This is our series of physics lesson videos made for our students at Earl Haig SS in North York, Ontario, Canada. Let us know if you found them helpful. Mr Caruana & Mr Morin

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We have a number of videos so we have organized them on our school website. www.earlhaig.ca This is our series of physics lesson videos made for our students at Earl Haig SS in North York, Ontario, Canada. Let us know if you found them helpful. Mr Caruana & Mr Morin

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Visual understanding of how centripetal acceleration relates to velocity and radius

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We have a number of videos so we have organized them on our school website. www.physicseh.com This is our series of physics lesson videos made for our students at Earl Haig SS in North York, Ontario, Canada. Let us know if you found them helpful. Mr Caruana & Mr Morin

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Seemed like a simple idea: a vertical circular track which balls can roll in. Then again, ideas are usually simpler when you leave them ideas; when you try to make them reality they usually get complex and messy (think communism). First off, building the thing. The frame was straight forward enough, but the PVC track (headaches). To bend it, I needed to heat it up to about 300 degrees. So of course, I took apart the toaster oven. This way I could feed the track through it. My wife was once again thrilled by my ingenious use of her kitchen appliances. Once complete and after about fifty hours of labor, I walked up with my silicone ball and big moment, it didn't work at all. After several rebuilds, I eventually switched to acrylics, which slide more than roll, but they started doing what I wanted them to. Now picture this: multiple heavy 3-inch acrylic balls whizzing around in a single track very very quickly, and I need to put my fingers in between them to make the catches. The learning curve was really unforgiving, to say the least! Visit www.innovativejuggler.com for more info. See you next week, Greg Kennedy

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[ Dark matter and dark energy come from one origin ] According to hypothesis of negative mass, most of dark matters have negative mass and it proves that dark energy is a gravitational potential energy(with positive value) between negative mass and positive mass. Currently, there are Ω_m = - 0.38(±0.22) and Ω_m = - 0.4(±0.1) values what HSS team and SCP team calculated in relation to size of negative mass corresponding with size of dark energy and another one what I calculated in V-2. What we have to do now, is to induce rotation curve or the quantity of dark matters within the galaxy, referring to the method what I proved in V-4.(Calculating centripetal force in galaxy from Negative Mass(Dark Matter) distributed out of galaxy.) Therefore, when centripetal force effect by density of this negative mass can explain rotation curve within the galaxy after setting density of negative mass outside of the galaxy as Ω=-0.38 or to be five ~ X times bigger than positive mass's, it would explain dark energy and dark matters at once through negative mass, thus proves that hypothesis is right. In the simulation, When all negative mass's shells exist at outline, collision time is shorter compared to existing only with positive mass's shells. This implies that there exist additional effects of centripetal force by the dark matter, halo at the Milky Way's outside in case of the Milky Way having the axial symmetry. 1. Observation evidence for dark matter 1) Galactic rotation curves 2 <b>...</b>

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Proving that a = v^2/r

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A level physics help, part of www.physicshelp.co.uk

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A mathematical derivation of the equations for centripetal force and acceleration.

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The direction of the force in cases of circular motion at constant speeds

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Note: There is no Part 5a. We have a number of videos so we have organized them on our school website. www.physicseh.com This is our series of physics lesson videos made for our students at Earl Haig SS in North York, Ontario, Canada. Let us know if you found them helpful. Mr Caruana & Mr Morin

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www.physicseh.com Free simple easy to follow videos all organized on our website.

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Centripetal Motion Explained by James Dann for ck12.org CC by SA

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Made for more of a useful understanding video, rather than a vigorous proof. This proof will not use vectors as I find them somewhat difficult to work with (I may at some point redo this video with vectors)

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Join astronauts on-board the International Space Station to learn more about centripetal force and why planets or moons and artificial satellites like the space station stay in orbit. Use math to find out if the artificial gravity in science fiction movies can be a reality.

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***Precision Centripetal Force Apparatus*** Using the sensitive balance between the inertial force on a rotating mass and the elastic force of an extended spring, this unit provides the data necessary to calculate centripetal force. When the apparatus rotates, the centripetal force required to maintain the mass in its circular path is provided by the attached, adjustable-tension spring. At low speeds the spring easily provides sufficient force, but at high speeds it is too weak. The point of balance of these two forces is indicated by a sensitive pointer that's visible at any speed during rotation. You adjust the speed until the pointer is just opposite the index, so the centripetal force exerted by the spring and the reaction of the mass on the spring are equal. With the pointer stable opposite the index, determine the rotational speed using the revolution counter or meter attached to the rotator. An instruction book shows how to determine centripetal force. www.cencophysics.com ***Digital Motor-Driven Rotator*** Our best rotator is ideal for all your rotary motion demonstrations. Precise, digital measurement allows you to monitor the motor speed, or measure the total revolutions in a time period you select. www.cencophysics.com

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!!!CENTRIPETAL FORCE EXPERIMENT!!! (Centripetal Force Demonstration And Explanation) SCIENCE EXPERIMENT Crazy Chris is checking out the centripetal forces and shows you a wicked kewl centripetal force demonstration! Objective: To under how the planets are able to go around teh sun....

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Physics I V2_ Centripetal Accelerations (ac) and Forces (Fc

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Steve Spangler employee, Carl London, teaches the science of centripetal force at the National Association for the Education of Young Children conference in Dallas, Texas.

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tutor45.com Uniform circular motion, centripetal acceleration, centripetal force.

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For more Game Fails visit www.youtube.com Got something funnier? Submit your clips now at upload.roosterteeth.com Fails from all games accepted! Submitted by: stuart3006

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This is a DEMO version of the Searl Effect Generator. The true SEG has 3 rings of freely spinning magnets. This demo version is powered by 1.5 Volts @ .06 amps and the magnets are spinning in an orbit around the stator ring at 200RPM (Centrifugal). BUT AT THE SAME TIME the magnets are spinning on their own axis and were digitally clocked at 15000 RPM (Centripetal.) Please read this message from Searl Magnetics Inc. relating to the technology, current status and other poignant information. www.scribd.com For over 24 hours of interviews, lectures, demonstrations, proof, recent updates and the history of PROFESSOR JOHN SEARL's work with magnetics, go through my playlist here: www.YouTube.com

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Using law of centripetal force with a metal coat hanger and a penny.

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An MN Production's science project. We are AWESOME!!

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