Video Discussions

Name: How Much is a Mermaid Attracted to a Doughnut? Category: Circular Motion & Gravity Date Added: 2017-11-27 Submitter: Flipping Physics How Much is a Mermaid Attracted to a Doughnut? A practical, everyday example of Newton’s Universal Law of Gravitation. Want Lecture Notes? This is an AP Physics 1 topic. Content Times: 0:08 Translating the problem 0:42 The Force of Gravity Equation 1:47 Solving the problem 2:24 How to do “times ten to the” on your calculator 2:45 Correcting our mistake 3:42 Visualizing these forces 4:14 Why do the objects not move? 5:36 What if the mermaid and donut were the only two objects in the universe? Next Vi…

Name: Newton's Universal Law of Gravitation Introduction (The Big G Equation) Category: Circular Motion & Gravity Date Added: 2017-11-20 Submitter: Flipping Physics Understanding Newton’s Universal Law of Gravitation. Including a dramatization of The Cavendish Experiment and force visualization via qualitative examples. Want Lecture Notes? This is an AP Physics 1 topic. Content Times: 0:11 Reviewing the standard Force of Gravity or Weight equation 0:56 Newton’s Universal Law of Gravitation 1:48 Defining r 2:47 The Cavendish Experiment 3:52 Visualizing qualitative examples 5:59 When to use the two Force of Gravity equations Next Video: Ho…

Name: Conical Pendulum Demonstration and Problem Category: Rotational Motion Date Added: 2017-11-12 Submitter: Flipping Physics A conical pendulum is demonstrated and it’s angular velocity is determined. Want Lecture Notes? This is an AP Physics 1 topic. Content Times: 0:08 Translating the problem 0:54 Illustrating how this is a conical pendulum 1:25 Drawing the free body diagram 2:50 Breaking the force of tension into its components 3:53 Summing the forces in the y-direction 4:34 Summing the forces in the in-direction 5:25 Solving for the radius 7:23 Determining the angular direction 8:02 Comparing our answer to the demonstration 8:51 The P…

Name: The Right Hand Rule for Angular Velocity and Angular Displacement Category: Rotational Motion Date Added: 2017-11-06 Submitter: Flipping Physics The angular right hand rule is defined and repeatedly demonstrated. Want Lecture Notes? This is an AP Physics 1 topic. Content Times: 0:12 Prepping for the Right Hand Rule 1:27 1st example 2:27 2nd example 3:01 Why we don’t use clockwise and counterclockwise 4:09 3rd example 4:35 4th example 4:56 5th example 5:12 6th example 5:38 Clarifying the direction Next Video: Conical Pendulum Demonstration and Problem Multilingual? Please help translate Flipping Physics videos! Previous …

Name: Minimum Speed for Water in a Bucket Revolving in a Vertical Circle Category: Rotational Motion Date Added: 2017-10-30 Submitter: Flipping Physics What is the minimum angular speed necessary to keep water in a vertically revolving bucket? The rope radius is 0.77 m. Want Lecture Notes? This is an AP Physics 1 topic. Content Times: 0:13 The demonstration 0:35 Understanding the problem 1:04 Where do we draw the Free Body Diagram 2:06 Summing the forces 3:04 What happens at the minimum angular speed 3:53 Why the force of tension is zero 4:41 Solving the problem Next Video: The Right Hand Rule for Angular Velocity and Angular Displacement …

Name: Analyzing Water in a Bucket Revolving in a Vertical Circle Category: Rotational Motion Date Added: 2017-10-23 Submitter: Flipping Physics Analyzing the forces acting on a bucket of water which is revolving in a vertical circle. Want Lecture Notes? This is an AP Physics 1 topic. A big thank you to Mr. Becke for being a guest in today’s video! Content Times: 0:11 The demonstration 0:24 Drawing four Free Body Diagrams 1:30 Summing the forces with the bucket at the bottom 2:27 What is the centripetal force? 3:28 Why the Force Normal greater than the Force of Gravity with Mr. Becke! Next Video: Minimum Speed for Water in a Bucket Revolving in …

Name: Demonstrating Why Water Stays in a Bucket Revolving in a Vertical Circle Category: Rotational Motion Date Added: 2017-10-15 Submitter: Flipping Physics Yes, water stays in the bucket. Would you like to know why? Watch the video and learn! Want Lecture Notes? This is an AP Physics 1 topic. Content Times: 0:14 The demonstration 0:52 Why does water flow out of a bucket? 1:40 Inertia! 2:38 Visualizing why Next Video: Analyzing Water in a Bucket Revolving in a Vertical Circle Multilingual? Please help translate Flipping Physics videos! Previous Video: Determining the Force Normal on a Toy Car moving up a Curved Hill Please support m…

Name: Determining the Force Normal on a Toy Car moving up a Curved Hill Category: Rotational Motion Date Added: 2017-10-08 Submitter: Flipping Physics A 0.453 kg toy car moving at 1.15 m/s is going up a semi-circular hill with a radius of 0.89 m. When the hill makes an angle of 32° with the horizontal, what is the magnitude of the force normal on the car? Want Lecture Notes? This is an AP Physics 1 topic. Content Times: 0:08: Translating the problem 1:01 Clarifying the angle 1:51 Drawing the free body diagram 3:20 Summing the forces 4:22 How the tangential velocity and force normal change Next Video: Demonstrating Why Water Stays in a Bucket R…

Name: What is the Maximum Speed of a Car at the Top of a Hill? Category: Rotational Motion Date Added: 2017-10-02 Submitter: Flipping Physics What is the maximum linear speed a car can move over the top of a semi-circular hill without its tires lifting off the ground? The radius of the hill is 1.8 meters. Want Lecture Notes? This is an AP Physics 1 topic. Content Times: 0:08 Translating the problem 0:42 Drawing the free body diagram and summing the forces 1:45 Why the force normal is zero in this situation 2:26 Finishing the problem Next Video: Determining the Force Normal on a Toy Car moving up a Curved Hill Multilingual? Please help trans…

Name: Introductory Centripetal Force Problem - Car over a Hill Category: Rotational Motion Date Added: 2017-09-18 Submitter: Flipping Physics A 453 g toy car moving at 1.05 m/s is going over a semi-circular hill with a radius of 1.8 m. When the car is at the top of the hill, what is the magnitude of the force from the ground on the car? Want Lecture Notes? This is an AP Physics 1 topic. Content Times: 0:08 Translating the problem 1:49 Drawing the free body diagram 2:43 We need to sum the forces in the in-direction 3:22 The “in-direction” is positive. The “out-direction” is negative 4:06 Identifying the centripetal force in this problem 4:54 Solvi…

Name: Centripetal Force Introduction and Demonstration Category: Rotational Motion Date Added: 2017-09-10 Submitter: Flipping Physics 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 …

Name: Introductory Centripetal Acceleration Problem - Cylindrical Space Station Category: Rotational Motion Date Added: 2017-09-04 Submitter: Flipping Physics A cylindrical space station with a radius of 115 m is rotating at 0.292 rad/s. A ladder goes from the rim to the center. What is the magnitude of the centripetal acceleration at (1) the top of the ladder, (2) the middle of the ladder, and (3) the base of the ladder? Want Lecture Notes? This is an AP Physics 1 topic. Content Times: 0:12 Translating the problem 1:14 Solving the problem 2:54 Interpreting the results - Artificial Gravity 4:30 What do you feel on the ladder? Next Video: Centripetal …

Name: Centripetal Acceleration Introduction Category: Rotational Motion Date Added: 2017-08-28 Submitter: Flipping Physics Why is there a “center seeking” centripetal acceleration? A step-by-step walk through of the answer to this question. Want Lecture Notes? This is an AP Physics 1 topic. Content Times: 0:09 Which mint has the largest angular velocity? 1:14 What do we know about the angular and tangential accelerations of the mints? 2:21 What do we know about the tangential velocity of mint #3? 3:39 Centripetal acceleration introduction 4:44 The centripetal acceleration equations 5:35 The units for centripetal acceleration Next Video: Intr…

Name: How to Get the Most Out of Studying: Part 5 of 5, "I Blew the Exam, Now What?" Category: Introductory Concepts Date Added: 2017-08-20 Submitter: FizziksGuy How to Get the Most Out of Studying: Part 5 of 5, "I Blew the Exam, Now What?"

Name: How to Get the Most Out of Studying: Part 4 of 5, "Putting Principles for Learning into Practice" Category: Introductory Concepts Date Added: 2017-08-20 Submitter: FizziksGuy How to Get the Most Out of Studying: Part 4 of 5, "Putting Principles for Learning into Practice"

Name: How to Get the Most Out of Studying: Part 3 of 5, "Cognitive Principles for Optimizing Learning" Category: Introductory Concepts Date Added: 2017-08-20 Submitter: FizziksGuy How to Get the Most Out of Studying: Part 3 of 5, "Cognitive Principles for Optimizing Learning"

Name: How to Get the Most Out of Studying: Part 2 of 5, "What Students Should Know About How People Learn" Category: Introductory Concepts Date Added: 2017-08-20 Submitter: FizziksGuy How to Get the Most Out of Studying: Part 2 of 5, "What Students Should Know About How People Learn"

Name: How to Get the Most Out of Studying: Part 1 of 5, "Beliefs That Make You Fail... Or Succeed" Category: Introductory Concepts Date Added: 2017-08-20 Submitter: FizziksGuy How to Get the Most Out of Studying: Part 1 of 5, "Beliefs That Make You Fail... Or Succeed"

Name: Demonstrating the Directions of Tangential Velocity and Acceleration Category: Rotational Motion Date Added: 2017-08-21 Submitter: Flipping Physics The best way to understand how tangential velocity and tangential acceleration are related is to visualize from above. Will you look at that! This video does exactly that. Want Lecture Notes? This is an AP Physics 1 topic. Content Times: 0:10 Visualizing up the three parts of the demonstration 0:51 Visualizing the tangential velocities 1:41 Visualizing the tangential accelerations 3:11 Visualizing tangential velocities and accelerations simultaneously 4:52 Angular vs. Tangential quantities Ne…

Name: Tangential Acceleration Introduction with Example Problem - Mints on a Turntable Category: Rotational Motion Date Added: 2017-08-13 Submitter: Flipping Physics Tangential Acceleration is introduced and visualized. Example problem is worked through. We even relate arc length, tangential velocity, and tangential acceleration via the derivative! Example: A record player is plugged in and uniformly accelerates to 45 revolutions per minute in 0.85 seconds. Mints are located 3.0 cm, 8.0 cm, and 13.0 cm from the center of the record. What is the magnitude of the tangential acceleration of each mint? Want Lecture Notes? This is an AP Physics 1 topic. Content Time…

Name: Introductory Tangential Velocity Problem - Mints on a Turntable Category: Rotational Motion Date Added: 2017-08-08 Submitter: Flipping Physics 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: Tangential Acceleration Introduction w…

Name: Human Tangential Velocity Demonstration Category: Rotational Motion Date Added: 2017-07-30 Submitter: Flipping Physics Humans are best for demonstrating Tangential Velocity and understanding that it is not the same as angular velocity. Want Lecture Notes? This is an AP Physics 1 topic. Content Times: 0:10 Beginning the demonstration 1:19 Adding the last human 1:50 What was different for each human? 2:44 Visualizing tangential velocity using an aerial view Multilingual? Please help translate Flipping Physics videos! Next Video: Introductory Tangential Velocity Problem - Mints on a Turntable Previous Video: Introductory Uniformly Angu…

Name: Introductory Uniformly Angularly Accelerated Motion Problem - A CD Player Category: Rotational Motion Date Added: 2017-07-23 Submitter: Flipping Physics What is the angular acceleration of a compact disc that turns through 3.25 revolutions while it uniformly slows to a stop in 2.27 seconds? Want Lecture Notes? This is an AP Physics 1 topic. Content Times: 0:08 Translating the problem 0:52 Determining which Uniformly Angularly Accelerated Motion (UαM) equation to use 1:54 Using a second UαM equation Multilingual? Please help translate Flipping Physics videos! Next Video: Human Tangential Velocity Demonstration Previous Video: Unifor…

Name: Uniformly Angularly Accelerated Motion Introduction Category: Rotational Motion Date Added: 2017-07-17 Submitter: Flipping Physics Using Uniformly Accelerated Motion (UAM) as a framework to learn about Uniformly Angularly Accelerated Motion (UαM). Just like UAM, UαM has 5 variables, 4 equations and if you know 3 of the UαM variables, you can determine the other 2 UαM variables, which leaves you with 1 … Want Lecture Notes? This is an AP Physics 1 topic. Content Times: 0:15 Introducing Uniformly Angularly Accelerated Motion! (UαM) 0:38 Reviewing Uniformly Accelerated Motion 1:22 When can we use the UαM Equations? 2:24 The four UαM Equations 4:…

Name: Angular Accelerations of a Record Player Category: Rotational Motion Date Added: 2017-07-11 Submitter: Flipping Physics A record player is plugged in, uniformly accelerates to 45 revolutions per minute, and then is unplugged. The record player (a) takes 0.85 seconds to get up to speed, (b) spends 3.37 seconds at 45 rpms, and then (c) takes 2.32 seconds to slow down to a stop. What is the average angular acceleration of the record player during all three parts? Want Lecture Notes? This is an AP Physics 1 topic. Content Times: 0:08 Translating the problem 2:35 Solving part (a) - angular acceleration while speeding up 3:13 Solving part (b) - angular ac…