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Friction
From YouTube, produced by MIT Opencourseware
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Professor Lewin of MIT gives a lecture on friciton. He draws wonderful vector diagrams to explain his calculations (48:09).
Found by tyler.arnold in Friction
September 17, 2012 at 08:45 PM
Ages: 16 - 18
License: Public Domain
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Views: 1018 |
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This student sample was created to demonstrate understanding of California State 8th grade science standard 2d; Students know how to identify separately two or more forces acting on a single static object, including gravity, elastic forces due to tension or compression in matter, and friction. This is a short, two-minute video. Student narration is clear and simple.
Found by begamatt in Force & Balance
March 27, 2010 at 08:06 PM
Ages: 8 - 14
License: Undetermined
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Views: 7079 |
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Correction of definition of "normal force" and an introduction to the coefficient of friction. This video, which is suitable for high school students, starts with a black screen because the instructor, in his conversational tone, uses it as a 'chalkboard.' (09:25)
Found by teresahopson in Friction
August 14, 2009 at 11:44 AM
Ages: 13 - 18
License: Proprietary
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Views: 4130 |
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Calculating the acceleration of on object sliding down an inclined plane with friction. This ten-minute video, which is suitable for high school students, starts with a black screen because the instructor, in his conversational tone, uses it as a 'chalkboard.'
Found by teresahopson in Friction
August 14, 2009 at 11:45 AM
Ages: 13 - 18
License: Proprietary
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Views: 3111 |
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Introduction to friction - Khan Academy Presents: Correction of definition of "normal force" and an introduction to the coefficient of friction. Mr. Khan uses computer software for demonstration. (09:24)
Found by teresahopson in Friction
June 7, 2011 at 05:03 PM
Ages: 12 - 18
License: CC by-nc-nd
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Views: 3026 |
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Fun with two masses, some wire, a pulley, and a ramp with friction. This video, which is suitable for high school students, starts with a black screen because the instructor, in his conversational tone, uses it as a 'chalkboard.' (10:15)
Found by teresahopson in Friction
August 14, 2009 at 11:46 AM
Ages: 13 - 18
License: Proprietary
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Views: 2792 |
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This 5:25 long video shows how friction always creates heat in race cars. Brakes and tires depend on friction to work, but more friction isn't always better. In the engine, friction is never good and engine builders use everything from oil to high-tech coatings to get a little extra horsepower. A good lesson to show students how friction impact their life.
Found by freealan in Friction
August 10, 2011 at 10:17 AM
Ages: 7 - 18
License: Undetermined
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Views: 2305 |
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(01:39) Concepts: Fluid Friction, Terminal Velocity
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Part of a Blended Classroom taught at Millard West High School. Produced for Millard Public Schools by Justin Higgins.
Found by jahiggins in Forces
September 18, 2014 at 04:24 PM
Ages: 13 - 18
License: CC by-sa
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Views: 2207 |
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The equation Work due to Friction equals Change in Mechanical Energy can often be confusing for students. This video is a step-by-step introduction in how to use the formula to solve a problem. Want Lecture Notes? This is an AP Physics 1 topic.
Content Times:
0:09 The problem
1:29 Why we can use this equation in this problem
1:52 Expanding the equation
2:29 Identifying Initial and Final Points and the Horizontal Zero Line
3:00 Substituting into the left hand side of the equation
4:05 Deciding which Mechanical Energies are present
4:59 Where did all that Kinetic Energy go?
5:27 Identifying which variables we know and do not know
5:58 Solving for the Force Normal
6:57 Substituting Force Normal back into the original equation
8:09 Why isn’t our answer negative?
Next Video: Work due to Friction equals Change in Mechanical Energy Problem by Billy
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Previous Video: Introduction to Mechanical Energy with Friction
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Found by Flipping Physics in Work
February 8, 2016 at 12:31 PM
Ages: 13 - 18
License: Proprietary
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Views: 2072 |
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In this game, students participate in a race where they utilize their knowldege of friction, the force between two surfaces. ( This link is for an interactive game and may take a few mimutes to load.)
Found by michellehoggard in Friction
June 22, 2012 at 07:57 AM
Ages: 8 - 12
License: Undetermined
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Views: 2014 |
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Enjoy learning from Billy as he solves a problem using Work due to Friction equals Change in Mechanical Energy. Want Lecture Notes? This is an AP Physics 1 topic. (05:37)
Content Times:
0:21 The problem
0:51 Work due to Friction equals Change in Mechanical Energy
1:31 Determining the Mechanical Energies
2:44 Solving for the Force Normal
3:52 Relating height final to displacement along the incline
5:03 Substituting in numbers
Found by Flipping Physics in Work
February 12, 2016 at 01:03 PM
Ages: 13 - 18
License: Proprietary
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Views: 1957 |
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The Force of Friction Equation is actually three equations is one. Learn why! Want Lecture Notes? This is an AP Physics 1 topic.
Content Times:
0:00 The basic Force of Friction Equation
0:20 One Kinetic Friction Equation
0:39 The Two Static Friction Equations
1:40 Example Free Body Diagram
2:16 The direction of the Force of Friction
3:20 Determining the magnitude of the Force of Static Friction
4:09 Understanding the “less than or equal” sign
6:08 If the “less than or equal” sign were not there
Next Video: friction-graph.html">Experimentally Graphing the Force of Friction
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Previous Video: Introduction to the Coefficient of Friction
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Found by Flipping Physics in Friction
August 9, 2015 at 04:56 PM
Ages: 10 - 18
License: Proprietary
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Views: 1947 |
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Calculus based review of Newton’s three laws, basic forces in dynamics such as the force of gravity, force normal, force of tension, force applied, force of friction, free body diagrams, translational equilibrium, the drag or resistive force and terminal velocity. For the calculus based AP Physics C mechanics exam.
Want Lecture Notes?
Content Times:
0:18 Newton’s First Law
1:30 Newton’s Second Law
1:55 Newton’s Third Law
2:29 Force of Gravity
3:36 Force Normal
3:58 Force of Tension
4:24 Force Applied
4:33 Force of Friction
5:46 Static Friction
6:17 Kinetic Friction
6:33 The Coefficient of Friction
7:26 Free Body Diagrams
10:41 Translational equilibrium
11:41 Drag Force or Resistive Force
13:25 Terminal Velocity
Next Video: AP Physics C: Work, Energy, and Power Review (Mechanics)
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AP Physics C Review Website
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Thank you to Aarti Sangwan for being my Quality Control help.
Found by Flipping Physics in AP Physics C: Mechanics
March 16, 2017 at 01:04 PM
Ages: 15 - 18
License: Proprietary
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Khan Academy Presents: Fun with two masses, some wire, a pulley, and a ramp with friction. (10:15) Sal Khan uses computer software and different colors for demonstration.
Found by teresahopson in Friction
June 7, 2011 at 05:06 PM
Ages: 11 - 18
License: Proprietary
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Views: 1727 |
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A book is resting on a board. One end of the board is slowly raised. The book starts to slide when the incline angle is 15°. What is the coefficient of static friction between the book and the incline? This is an AP Physics 1 Topic. (06:40)
Content Times:
0:01 The example
0:44 Drawing the free body diagram
1:41 Net force in the parallel direction
2:11 Demonstrating why the acceleration in the parallel direction is zero
3:58 Force normal does not equal force of gravity
4:32 Net force in the perpendicular direction
5:07 Return to the parallel direction
6:06 Substituting in numbers
Found by Flipping Physics in Friction
June 6, 2016 at 01:23 PM
Ages: 10 - 18
License: Proprietary
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Views: 924 |
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Billy analyzes ABS brakes to show the difference between Rolling without Slipping and Rolling with Slipping. He also answers the question in the title of the video, but why would I write that in the description? Want Lecture Notes? This is an AP Physics 1 Topic.
Content Times:
0:17 ABS Brakes
0:40 Demonstrating Rolling without Slipping and Rolling with Slipping
1:36 How ABS Brakes work
2:18 Analyzing a car tire
3:34 The calculations
Next Video: Everybody Brought Mass to the Party!
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Previous Video: friction-problem.html">Does the Book Move? An Introductory Friction Problem
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Found by Flipping Physics in Friction
June 30, 2016 at 12:53 PM
Ages: 10 - 18
License: Proprietary
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Views: 806 |
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Please do not confuse the Coefficient of Friction with the Force of Friction. This video will help you not fall into that Pit of Despair!
Want Lecture Notes? This is an AP Physics 1 topic.
Content Times:
0:00 The equation for the Force of Friction
0:17 Mu, the symbol for the Coefficient of Friction
1:21 Tables of Coefficients of Friction
2:49 Comparing the values of static and kinetic coefficients of friction
3:54 A typical range of values
Next Video: Understanding the Force of Friction Equation
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Previous Video: friction-intro.html">Introduction to Static and Kinetic Friction by Bobby
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Found by Flipping Physics in Friction
August 7, 2015 at 02:18 PM
Ages: 10 - 18
License: Proprietary
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10 trials to calculate the coefficient of static friction and how to calculate the uncertainty of this measurement.
More details about Standard Deviation is in the lecture notes.
This is an AP Physics 1 Topic.
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Previous Video: friction-incline.html ">Introductory Static Friction on an Incline Problem
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Found by Flipping Physics in Friction
June 13, 2016 at 12:37 PM
Ages: 10 - 18
License: Proprietary
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Views: 517 |
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You place a book on a 14° incline and then let go of the book. If the book takes 2.05 seconds to travel 0.78 meters, what is the coefficient of kinetic friction between the book and the incline?
Want friction-incline.html ">Lecture Notes? This is an AP Physics 1 Topic.
Content Times:
0:01 The example
0:13 Listing the known values
1:09 Drawing the free body diagram
1:58 Net force in the perpendicular direction
2:34 Net force in the parallel direction
4:03 Solving for acceleration
5:07 Solving for Mu
5:40 We made a mistake
Multilingual? Please help translate Flipping Physics videos!
Previous Video: friction-incline.html">Introductory Static Friction on an Incline Problem
Please support me on Patreon!
Found by Flipping Physics in Friction
June 16, 2016 at 09:54 AM
Ages: 10 - 18
License: Proprietary
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Views: 512 |
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A conservation of energy problem where all of the energy is not conserved. This video, which is suitable for high school students, starts with a black screen because the instructor, in his conversational tone, uses it as a 'chalkboard.' Instructor uses different colors for clarification. (10:04)
Found by teresahopson in Work
August 14, 2009 at 12:49 PM
Ages: 14 - 18
License: CC by-nc-nd
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Views: 3525 |
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