Video Discussions

Name: A Common Misconception about Newton's Third Law Force Pairs (or Action-Reaction Pairs) Category: Dynamics Date Added: 09 February 2015 - 02:24 PM Submitter: Flipping Physics Short Description: None Provided Proof that the Force Normal and the Force of Gravity are not a Newton’s Third Law Force Pair. Content Times: 0:26 Drawing the Free Body Diagram 1:02 Not a Newton’s Third Law Force Pair 1:37 The Force Normal Force Pair 1:55 The Force of Gravity Force Pair Multilingual? View Video

Name: Introduction to Newton’s Third Law of Motion Category: Dynamics Date Added: 19 January 2015 - 10:48 AM Submitter: Flipping Physics Short Description: None Provided Learn about Newton’s Third Law of Motion. Several examples of Newton’s Third Law Force Pairs are demonstrated and discussed. We even travel to Dandong, China. Content Times: 0:10 Newton’s Third Law 0:47 Ball and Head Force Pair 1:49 At the Ann Arbor Hands-On Museum 2:35 Why I don’t like the Action/Reaction definition 3:30 Hammer and Nail Force Pair 4:20 Mr.p and Wall Force Pair 4:36 Kevin Zhang and The Great Wall Force Pair 5:23 The Great Wall Location Shots 5:36 Filming the i…

Name: Experimentally Graphing Uniformly Accelerated Motion Category: Kinematics Date Added: 16 January 2015 - 09:38 AM Submitter: Flipping Physics Short Description: None Provided We experimentally determine the position, velocity and acceleration as a function of time for a street hockey puck that is sliding and slowing down. Is it uniformly accelerated motion? Content Times: 0:16 Experimental graph of position as a function of time 0:43 Deciding what the graph of velocity as a function of time ideally should be 1:35 Experimental graph of velocity as a function of time 2:11 Deciding what the graph of acceleration as a function of time ideally should be 2:5…

Name: Using Newton's Second Law to find the Force of Friction Category: Dynamics Date Added: 12 January 2015 - 11:59 AM Submitter: Flipping Physics Short Description: None Provided 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. Content Times: 0:22 The problem 0:54 Listing our known values 1:51 Drawing the Free Body Diagram 2:17 A common mistake in our Free Body Diagram 3:32 Solving the problem 4:14 Another common mistake 5:07 Why is the acceleration po…

Name: Summing the Forces is Vector Addition Category: Dynamics Date Added: 06 January 2015 - 01:59 PM Submitter: Flipping Physics Short Description: None Provided Summing the forces is nothing new, it is vector addition. This video compares summing the forces to graphical vector addition. This video builds off the previous video "View Video

Name: How to make physics snowflakes Category: Other Date Added: 18 December 2014 - 11:11 AM Submitter: FizziksGuy Short Description: None Provided Celebrate the season--and science!--with paper snowflake designs featuring Albert Einstein, Marie Curie, and Erwin Schrodinger. In this video, Fermilab physicists demonstrate snowflake-making methods worthy of a Nobel Prize. For instructions and templates for the rest of us, see http://www.symmetrymagazine.org/article/december-2014/deck-the-halls-with-nobel-physicists View Video

Name: A Three Force Example of Newton's 2nd Law with Components Category: Dynamics Date Added: 16 December 2014 - 02:17 PM Submitter: Flipping Physics Short Description: None Provided Finding the net force caused by three brothers fighting over a stuffed turtle. We break one vector in to components and find the components of the net force in order to solve for the net force. Content Times: 0:16 My 3 brothers 0:29 The problem 1:13 The givens 1:55 Drawing the Free Body Diagram 2:39 Breaking the Force of Chris in to its components 4:09 Redrawing the Free Body Diagram 4:54 Finding the components of the net force 5:47 Finding the net force 7:10 Finding the d…

Name: Relaxing with Impulse Category: Momentum and Collisions Date Added: 11 December 2014 - 11:40 AM Submitter: FizziksGuy Short Description: None Provided ESPN Sports Figures View Video

Name: Running with Momentum Category: Momentum and Collisions Date Added: 11 December 2014 - 11:40 AM Submitter: FizziksGuy Short Description: None Provided ESPN Sports Figures View Video

Name: Understanding Uniformly Accelerated Motion Category: Kinematics Date Added: 09 December 2014 - 02:05 PM Submitter: Flipping Physics Short Description: None Provided Students sometimes have a difficult time understanding what acceleration in meters per second squared really means. Therefore, I present acceleration as meters per second every second instead. This helps students gain a better conceptual understanding of acceleration. Content Times: 0:12 Acceleration is meters per second every second 1:22 The first demonstration 1:56 Finding the velocity at each second 3:18 Finding the position at each second 4:31 The second demonstration Multilingual? …

Name: Force vs. Time on a Dynamics Cart Category: Dynamics Date Added: 03 December 2014 - 10:59 AM Submitter: Flipping Physics Short Description: None Provided When the forces in a free body diagram don’t change students often think that Newton’s Second Law will yield the same results. This demonstration shows that is not true. This is a step-by-step analysis of tension force as a function of time for a dynamics cart in motion on a horizontal track. Content Times: 0:13 Reviewing known information 0:47 The three parts in this demonstration 1:22 Drawing the two free body diagrams 2:27 Understanding the free body diagrams 3:12 Identifying the String Direct…

Name: Kepler's Laws All Three Category: Circular Motion & Gravity Date Added: 02 December 2014 - 01:14 PM Submitter: FizziksGuy Short Description: None Provided This was an extra credit project for my Exploration of Space course Spring 2009. One of my more creative endeavors:-D Keplers Laws All Three A natral orbits controlled by gravity Celestial Bodies all follow, follow one. Spaceships with their engines off, orbit in one too Keplers Laws explain them and theres only 3 to know Orbits arent circles The planets move in ellipses you see Suddenly I see (Suddenly I see) Pariapsis is close to gravity Suddenly I see (Suddenly I see) Apopapsis is…

Name: Introductory Newton's 2nd Law Example Problem and Demonstration Category: Dynamics Date Added: 25 November 2014 - 02:12 PM Submitter: Flipping Physics Short Description: None Provided This video could also be called "Finding the Force of Friction between a Dynamics Cart and Track†because we use Newton’s Second Law to analyze a demonstration and show how negligible the force of friction really is. Content Times: 0:16 Reading the problem 0:37 Demonstrating the problem 2:30 Translating the problem 3:47 Drawing the free body diagram 4:36 Summing the forces in the x direction 5:32 Solving for acceleration 7:04 Solving for the force applied 7:29 Is t…

Name: The Reality of our First Free Body Diagram Category: Dynamics Date Added: 19 November 2014 - 02:55 PM Submitter: Flipping Physics Short Description: None Provided The free body diagram we first learn is not entirely accurate. All of the forces are not drawn from the center of mass of the object. Learn why we start this way and, when we get torque, what the free body diagrams will actually look like. Content Times: 0:12 Reviewing the first free body diagram 0:39 A more correct free body diagram 1:22 Comparing this approach to the projectile motion approach 1:52 When we get to torque 2:42 The green screen Multilingual? View Video

Name: Introduction to Newton’s Second Law of Motion with Example Problem Category: Dynamics Date Added: 21 November 2014 - 02:38 PM Submitter: Flipping Physics Short Description: None Provided The application of Newton’s Second Law is when you really understand what the net force equals mass times acceleration where both force and acceleration are vectors really means. Therefore, we introduce Newton’s Second Law and then do an example problem. Content Times: 0:11 Defining Newton’s Second Law 1:00 The example problem 1:51 Drawing the Free Body Diagram 2:48 The Force of Gravity 3:42 The net force in the y-direction 5:28 The acceleration of the book i…

Name: Brian Cox visits the world's biggest vacuum chamber - Human Universe: Episode 4 Preview - BBC Two Category: Dynamics Date Added: 13 November 2014 - 01:42 PM Submitter: FizziksGuy Short Description: None Provided Programme website: http://www.bbc.co.uk/programmes/p0276q28Brian Cox visits NASA’s Space Power Facility in Ohio to see what happens when a bowling ball and a feather are dropped together under the conditions of outer space. View Video

Name: Introduction to Free Body Diagrams or Force Diagrams Category: Dynamics Date Added: 13 November 2014 - 09:53 AM Submitter: Flipping Physics Short Description: None Provided We define and discuss how to draw Free Body Diagrams which are also called Force Diagrams. In addition we define the force normal and the force applied. Force of friction and center of mass are briefly discussed, however, a much more detailed discussion of each is left for later lessons. Free Body Diagrams are drawn on a level surface and on an incline. Content Times: 0:12 Defining Free Body Diagram or Force Diagram 0:46 Center of mass 1:13 The force of gravity 2:08 The force normal…

Name: Weight and Mass are Not the Same Category: Dynamics Date Added: 10 November 2014 - 10:20 AM Submitter: Flipping Physics Short Description: None Provided Three major differences between weight and mass are discussed and three media examples of weight in kilograms are presented (and you should know that weight is NOT in kilograms). Content Times: 0:18 Base SI dimensions for weight and mass 1:25 NASA: weight in kilograms 1:38 Michio Kaku: weight in kilograms 1:52 Derek Muller of Veritasium: weight in kilograms 2:30 Weight is a vector and mass is a scalar 2:53 Weight is extrinsic and mass is intrinsic 3:52 Comparing weight and mass on the Earth and the …

Name: Introduction to the Force of Gravity and Gravitational Mass Category: Dynamics Date Added: 05 November 2014 - 09:47 AM Submitter: Flipping Physics Short Description: None Provided Defining the Force of Gravity or Weight and Gravitational Mass. We also determine the dimensions for force in both Metric and English units. Content Times: 0:11 Defining the Force of Gravity or Weight 1:09 Defining Gravitational Mass 2:12 The direction of the Force of Gravity 2:47 Determining the dimensions for force 4:09 The English unit for force 4:54 Slug vs. Blob Multilingual? View Video

Name: Introduction to Force Category: Dynamics Date Added: 2016-10-27 Submitter: Flipping Physics Defining Force. Including its dimensions, demonstrations of force and mass affecting acceleration, showing that a force is an interaction between two objects and contact vs. field forces. Content Times: 0:11 Defining force 0:56 Demonstrating how force and mass affect acceleration 2:15 Demonstrating why a force doesn’t necessarily cause acceleration 4:09 Force is a vector 4:23 A force is an interaction between to objects 4:56 Contact vs field forces 5:38 The force of gravity is a field force 6:19 Face and snow force interaction Want Lecture Notes? Mul…

Name: Introduction to Inertia and Inertial Mass Category: Dynamics Date Added: 27 October 2014 - 10:02 AM Submitter: Flipping Physics Short Description: None Provided Before you can start learning about Forces and Newton’s Laws of Motion, you need to understand inertia and mass. This video defines both and more specifically inertial mass. Content Times: 0:13 Defining inertia 1:04 Demonstrating inertia 1:26 Defining inertial mass 2:17 Marcia demonstrates the concept of inertial mass 3:06 Inertial mass not Gravitational mass 4:00 How I filmed a steel sphere moving at a constant velocity Multilingual? View Video

Name: Do Your Feet Affect How Far You Slide on a Water Slide? Category: Dynamics Date Added: 22 October 2014 - 01:39 PM Submitter: Flipping Physics Short Description: None Provided If you hold your feet flat or point them, does it change how far you slide. This video shows the answer and explains why using the concept of drag force. Content Times: 0:26 Showing the two foot positions 0:57 Defining aerodynamic 1:41 Defining the Drag Force 2:32 A closer look at the cross sectional area 4:04 Showing the answer 5:05 Comparing splashes 5:43 A second demonstration 6:22 Many thanks Multilingual? View Video

Name: Skateboarding Frame of Reference Demonstration Category: Kinematics Date Added: 15 October 2014 - 02:52 PM Submitter: Flipping Physics Short Description: None Provided All motion is relative to a frame of reference. A simple demonstration showing this to be true. Content Times: 0:21 The demonstration 1:22 A second, similar demonstration Multilingual? View Video

Name: Relative Motion Problem: Solving for the angle of the moving object Category: Kinematics Date Added: 07 October 2014 - 03:02 PM Submitter: Flipping Physics Short Description: None Provided It is not obvious in all relative motion problems how to draw the vector diagrams. Sometimes the velocity of the object with respect to the Earth is not the hypotenuse of the velocity vector addition triangle. Here we address how to handle a problem like that. Content Times: 0:15 Reading the problem 0:40 Translating the problem 1:52 Visualizing the problem 2:17 Drawing the vector diagram 3:33 Rearranging the vector equation 4:40 Redrawing the vector diagram 5:30 T…

Name: The Science of Game of Thrones Category: Other Date Added: 03 October 2014 - 10:49 PM Submitter: http://www.itsokaytobesmart.com Joe Hanson - Host and writer Joe Nicolosi - Director Amanda Fox - Producer, Spotzen Inc. Kate Eads - Associate Producer Katie Graham - Director of Photography Edited by Stephanie Noone and Kirby Conn from Arts & Labor John Knudsen - Gaffer Music: "Ouroboros" by Kevin MacLeod Produced by PBS Digital Studios: http://www.youtube.com/user/pbsdigitalstudios ----------- Last week's video: Maternal Connections - More videos: The Far Future of the Universe - The Science of Dust - There Was No First …