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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
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How can the human body tolerate the crushing G-force that occurs at high acceleration? This brief video explains how technology helps in these cases.
Found by freealan in Human Anatomy
November 14, 2010 at 10:37 PM
Ages: 6 - 18
License: Undetermined
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In order to use Newton’s Second Law, you need to correctly draw the Free Body Diagram. This problem explains a common mistake students make involving the force applied. We also review how to find acceleration on a velocity as a function of time graph. (05:58)
Found by Flipping Physics in Forces Overview
January 12, 2015 at 10:53 AM
Ages: 12 - 18
License: Proprietary
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Students build virtual rockets to explore the physics concepts of forces (thrust, drag, lift, weight) and Newton's Three Laws of Motion-Inertia, Acceleration and Interaction.
Found by Mrs Jefferies in Force & Balance
May 20, 2012 at 03:03 PM
Ages: 10 - 18
License: Public Domain
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(10:45) In the previous lesson we dropped a ball from 2.0 meters above the ground and now we throw one up to a height of 2.0 meters. We do this in order to understand the similarities between the two events. Oh, and of course we draw some graphs. This is an Introductory Free-Fall Acceleration Problem
Content Times:
0:18 Reviewing the previous lesson
0:34 Reading the new problem
1:26 Acceleration vs. time
1:59 Velocity vs. time
2:49 Position vs. time
4:16 The Velocity at the top is ZERO!
5:50 Comparing throwing the ball to dropping the ball
6:56 Finding the total change in time
7:44 Finding the velocity initial
9:47 The Review
Found by Flipping Physics in One-Dimensional Motion
December 22, 2013 at 12:33 PM
Ages: 13 - 18
License: Proprietary
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We get to start our Table of Friends today. Dimensions are your friends and there are so many dimensions to keep track of, so we create our Table of Friends to help us keep track of them. Today's friends have to do with One Dimensional Motion.
Content Times:
0:35 Naming all 5 friends
1:13 Relative Error
1:40 Displacement
2:01 Speed
2:55 Velocity
3:14 How can we forget Delta?
4:24 Acceleration
4:46 The Review
Want the Table of Friends?
Previous Video: Experimentally Graphing Uniformly Accelerated Motion
Next Video: Introduction to Free-Fall
Found by Flipping Physics in One-Dimensional Motion
December 22, 2013 at 12:11 PM
Ages: 13 - 18
License: Proprietary
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This is a complicated free-fall problem where you have to identify that the velocity at the top of the path is zero in the y-direciton. Furthermore, you have to look at it from the perspective of the whole event and splitting the problem into two different parts. A classic free-fall acceleration example problem.
Content Times:
0:45 Reading the problem
1:12 Translating the problem to physics
3:04 Starting with the whole event
4:36 Splitting the problem into two parts
6:06 Solving part 1: Going up
8:17 Finishing the problem
9:05 An alternate solution
9:38 The review
Want Lecture Notes?
Next Video:
Dropping Dictionaries Doesn't Defy Gravity, Duh!
Previous Video:
Common Free-Fall Pitfalls
Found by Flipping Physics in One-Dimensional Motion
December 22, 2013 at 12:38 PM
Ages: 13 - 18
License: Proprietary
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Learn why astronauts in the International Space Station appear to have no weight. Want Lecture Notes? This is an AP Physics 1 topic.
Content Times:
0:01 What is necessary for an object to be completely weightless?
2:34 Determining the acceleration due to gravity on the International Space Station
3:41 Why astronauts appear to be weightless
4:55 Why the International Space Station does not fall to the Earth
5:37 Objects in orbit experience apparent weightlessness
5:56 Other examples of apparent weightlessness
Next Video: Number of g's or g-Forces Introduction
Multilingual? Please help translate Flipping Physics videos!
Previous Video: Dropping a Bucket of Water - Demonstration
Please support me on Patreon!
Thank you to Jonathan Everett, Sawdog, Christopher Becke, Frank Geshwind and Scott Carter for being my Quality Control Team for this video.
Thank you to Youssef Nasr for transcribing the English subtitles of this video.
Picture and Video credits:
Blue Marble North Pole http://openscenegraph.sourceforge.net/screenshots/BlueMarble/full/bluemarble_north_pole.html
ISS_on_9_December_2000 https://commons.wikimedia.org/wiki/File:ISS_on_9_December_2000.jpg
NASA Logo https://www.nasa.gov/sites/default/files/thumbnails/image/nasa-logo-web-rgb.png
Liquid Ping Pong in Space - RED 4K https://www.youtube.com/watch?v=TLbhrMCM4_0
Found by Flipping Physics in Gravity
January 14, 2018 at 04:34 PM
Ages: 10 - 18
License: Proprietary
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Learn why a centripetal force exists, three important things to remember about centripetal force, and drawing free body diagrams for objects moving in circles. Want Lecture Notes?
This is an AP Physics 1 topic.
Content Times:
0:01 Newton’s Second Law for Centripetal Force
1:10 Three things to remember about Centripetal Force
2:41 Drawing a free body diagram
3:57 Why we sum the forces in the “in-direction”
Next Video: Introductory Centripetal Force Problem - Car over a Hill
Multilingual? Please help translate Flipping Physics videos!
Previous Video: acceleration-problem.html">Introductory Centripetal Acceleration Problem - Cylindrical Space Station
Please support me on Patreon!
Thank you to Scott Carter and Christopher Becke for being my Quality Control Team for this video.
Found by Flipping Physics in Rotational Motion
September 3, 2017 at 07:40 PM
Ages: 11 - 18
License: Proprietary
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Calculus based review of Universal Gravitation including Newton’s Universal Law of Gravitation, solving for the acceleration due to gravity in a constant gravitational field, universal gravitational potential energy, graphing universal gravitational potential energy between an object and the Earth, three example problems (binding energy, escape velocity and orbital energy), and Kepler’s three laws.
For the calculus based AP Physics C mechanics exam.
Want Lecture Notes?
At 6:01 this video addresses an error in the Universal Gravitational Potential Energy Graph from the video's previous iteration.
Content Times:
0:10 Newton’s Universal Law of Gravitation
1:52 Solving for the acceleration due to gravity
2:02 Universal Gravitational Potential Energy
4:52 Graph of Universal Gravitational Potential Energy between an object and the Earth
6:01 Correcting the Universal Gravitational Potential Energy Graph
7:30 Binding Energy Example Problem
9:41 Escape Velocity Example Problem
11:19 Orbital Energy Example Problem
13:52 Kepler’s Three Laws
14:17 Kepler’s First Law
16:19 Kepler’s Second Law
16:42 Deriving Kepler’s Third Law
Multilingual? Please help translate Flipping Physics videos!
AP Physics C Review Website
Next Video: AP Physics C: Simple Harmonic Motion Review (Mechanics)
Previous Video: AP Physics C: Rotational vs. Linear Review (Mechanics)
Please support me on Patreon!
Thank you to Aarti Sangwan, Sawdog, and Frank Geshwind for being my Quality Control team for this video.
Found by Flipping Physics in AP Physics C: Mechanics
April 24, 2017 at 01:27 PM
Ages: 15 - 18
License: Undetermined
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This is an introductory lesson about Uniformly Accelerated Motion or UAM. I show examples of 5 different objects experiencing UAM, some are even in slow motion. We also learn my simple way of remembering how to use the UAM equations.
Content Times:
0:20 Defining what it means to be in UAM
0:40 5 examples of objects experiencing UAM (some in slow motion)
1:50 Disclaimer for the peanut gallery
2:50 The four UAM equations
3:32 The five UAM variables
4:45 How to work with the UAM equations
5:31 One Happy Physics Student!
Want Lecture Notes?
Next Video:
Introductory Uniformly Accelerated Motion Problem -- A Braking Bicycle
Previous Video:
acceleration-as-a-function-of-time-graphs.html">Walking Position, Velocity and Acceleration as a Function of Time Graphs
Found by Flipping Physics in One-Dimensional Motion
December 22, 2013 at 07:29 AM
Ages: 13 - 18
License: Proprietary
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Three mints are sitting 3.0 cm, 8.0 cm, and 13.0 cm from the center of a record player that is spinning at 45 revolutions per minute. What are the tangential velocities of each mint? Want Lecture Notes?
This is an AP Physics 1 topic.
Content Times:
0:08 Translating the problem
1:11 Solving the problem
2:12 Visualizing the tangential velocities
2:42 The direction of tangential velocity
Multilingual? Please help translate Flipping Physics videos!
Next Video: acceleration.html">Tangential Acceleration Introduction with Example Problem - Mints on a Turntable
Previous Video: Human Tangential Velocity Demonstration
Please support me on Patreon!
Thank you to Christopher Becke and Natasha Trousdale for being my Quality Control Team for this video.
Found by Flipping Physics in Rotational Motion
July 30, 2017 at 05:09 PM
Ages: 10 - 18
License: Proprietary
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This video uses balancing on a unicycle as an example to explain net force (mass x acceleration). It explains how all of the outside forces, such as gravity, contact force, and friction help to create balance when riding a unicycle. It also explains counter-steering to move the point of contact and control the direction of the unicycle. (4:32)
Found by TracyMoon in Force & Balance
May 27, 2012 at 09:58 AM
Ages: 12 - 18
License: Proprietary
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Calculus based review and comparison of the linear and rotational equations which are in the AP Physics C mechanics curriculum. Topics include: displacement, velocity, acceleration, uniformly accelerated motion, uniformly angularly accelerated motion, mass, momentum of inertia, kinetic energy, Newton’s second law, force, torque, power, and momentum. Want Lecture Notes?
Content Times:
0:12 Displacement
038 Velocity
1:08 Acceleration
1:33 Uniformly Accelerated Motion
2:15 Uniformly Angularly Accelerated Motion
2:34 Mass
3:19 Kinetic Energy
3:44 Newton’s Second Law
4:18 Force and Torque
5:12 Power
5:45 Momentum
Multilingual? Please help translate Flipping Physics videos!
AP Physics C Review Website
Next Video: AP Physics C: Universal Gravitation Review (Mechanics)
Previous Video: AP Physics C: Rotational Dynamics Review - 2 of 2 (Mechanics)
Please support me on Patreon!
Thank you to Aarti Sangwan and Sawdog for being my Quality Control team for this video.
Found by Flipping Physics in AP Physics C: Mechanics
April 21, 2017 at 08:06 AM
Ages: 15 - 18
License: Proprietary
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