Flipping Physics
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Name: Analyzing Water in a Bucket Revolving in a Vertical Circle
Category: Rotational Motion
Date Added: 2017-10-23
Submitter: Flipping PhysicsAnalyzing 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 a Vertical Circle
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Previous Video: Demonstrating Why Water Stays in a Bucket Revolving in a Vertical Circle
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Thank you to Aarti Sangwan and Christopher Becke for being my Quality Control Team for this video.
Analyzing Water in a Bucket Revolving in a Vertical Circle -
Name: Demonstrating Why Water Stays in a Bucket Revolving in a Vertical Circle
Category: Rotational Motion
Date Added: 2017-10-15
Submitter: Flipping PhysicsYes, 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 whyNext 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
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Thank you to Aarti Sangwan and Christopher Becke for being my Quality Control Team for this video.
Demonstrating Why Water Stays in a Bucket Revolving in a Vertical Circle -
Name: Determining the Force Normal on a Toy Car moving up a Curved Hill
Category: Rotational Motion
Date Added: 2017-10-08
Submitter: Flipping PhysicsA 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 changeNext Video: Demonstrating Why Water Stays in a Bucket Revolving in a Vertical Circle
Multilingual? Please help translate Flipping Physics videos!
Previous Video: Mints on a Rotating Turntable - Determining the Static Coefficient of Friction
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Thank you to Aarti Sangwan, Scott Carter, and Christopher Becke for being my Quality Control Team for this video.
Determining the Force Normal on a Toy Car moving up a Curved Hill -
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 PhysicsWhat 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 problemNext Video: Determining the Force Normal on a Toy Car moving up a Curved Hill
Multilingual? Please help translate Flipping Physics videos!
Previous Video: Introductory Centripetal Force Problem - Car over a Hill
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Thank you to Scott Carter and Christopher Becke for being my Quality Control Team for this video.
What is the Maximum Speed of a Car at the Top of a Hill? -
Name: Introductory Centripetal Force Problem - Car over a Hill
Category: Rotational Motion
Date Added: 2017-09-18
Submitter: Flipping PhysicsA 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 Solving the problem … finally.
6:15 Kit compares the magnitudes of the force normal and force of gravityThank you to Kit from Gorilla Physics for your help with this video!!
Next Video: What is the Maximum Speed of a Car at the Top of a Hill?
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Previous Video: Centripetal Force Introduction and Demonstration
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Thank you to Scott Carter and Christopher Becke for being my Quality Control Team for this video.
Introductory Centripetal Force Problem - Car over a Hill -
Name: Centripetal Force Introduction and Demonstration
Category: Rotational Motion
Date Added: 2017-09-10
Submitter: Flipping PhysicsLearn 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
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Previous Video: Introductory Centripetal Acceleration Problem - Cylindrical Space Station
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Thank you to Scott Carter and Christopher Becke for being my Quality Control Team for this video.
Centripetal Force Introduction and Demonstration -
Name: Introductory Centripetal Acceleration Problem - Cylindrical Space Station
Category: Rotational Motion
Date Added: 2017-09-04
Submitter: Flipping PhysicsA 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 Force Introduction and Demonstration
Multilingual? Please help translate Flipping Physics videos!
Previous Video: Centripetal Acceleration Introduction
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Thank you to Scott Carter, Aarti Sangwan and Christopher Becke for being my Quality Control Team for this video.
Introductory Centripetal Acceleration Problem - Cylindrical Space Station -
Name: Centripetal Acceleration Introduction
Category: Rotational Motion
Date Added: 2017-08-28
Submitter: Flipping PhysicsWhy 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 accelerationNext Video: Introductory Centripetal Acceleration Problem - Cylindrical Space Station
Multilingual? Please help translate Flipping Physics videos!
Previous Video: Demonstrating the Directions of Tangential Velocity and Acceleration
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Thank you to Christopher Becke and Aarti Sangwan for being my Quality Control Team for this video.
Centripetal Acceleration Introduction -
Name: Demonstrating the Directions of Tangential Velocity and Acceleration
Category: Rotational Motion
Date Added: 2017-08-21
Submitter: Flipping PhysicsThe 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 quantitiesNext Video: Centripetal Acceleration Introduction
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Previous Video: Tangential Acceleration Introduction with Example Problem - Mints on a Turntable
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Thank you to Christopher Becke and Natasha Trousdale for being my Quality Control Team for this video.
Demonstrating the Directions of Tangential Velocity and Acceleration -
Name: Tangential Acceleration Introduction with Example Problem - Mints on a Turntable
Category: Rotational Motion
Date Added: 2017-08-13
Submitter: Flipping PhysicsTangential 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 Times:
0:21 The tangential acceleration equation
0:55 Translating the example problem
2:13 Solving for angular acceleration
3:02 Solving for tangential accelerations
4:16 Visualizing the tangential accelerations
5:05 Using the derivative to relate arc length, tangential velocity, and tangential accelerationMultilingual? Please help translate Flipping Physics videos!
Next Video: Demonstrating the Directions of Tangential Velocity and Acceleration
Previous Video: Introductory Tangential Velocity Problem - Mints on a Turntable
Please support me on Patreon!
Thank you to Christopher Becke and Natasha Trousdale for being my Quality Control Team for this video.
Tangential Acceleration Introduction with Example Problem - Mints on a Turntable -
Name: Introductory Tangential Velocity Problem - Mints on a Turntable
Category: Rotational Motion
Date Added: 2017-08-08
Submitter: Flipping PhysicsThree 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 velocityMultilingual? Please help translate Flipping Physics videos!
Next Video: Tangential Acceleration Introduction with Example Problem - Mints on a Turntable
Previous Video: Human Tangential Velocity Demonstration
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Thank you to Christopher Becke and Natasha Trousdale for being my Quality Control Team for this video.
Introductory Tangential Velocity Problem - Mints on a Turntable -
Name: Human Tangential Velocity Demonstration
Category: Rotational Motion
Date Added: 2017-07-30
Submitter: Flipping PhysicsHumans 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 viewMultilingual? Please help translate Flipping Physics videos!
Next Video: Introductory Tangential Velocity Problem - Mints on a Turntable
Previous Video: Introductory Uniformly Angularly Accelerated Motion Problem - A CD Player
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Thank you to Christopher Becke and Natasha Trousdale for being my Quality Control Team for this video.
Human Tangential Velocity Demonstration -
Name: Introductory Uniformly Angularly Accelerated Motion Problem - A CD Player
Category: Rotational Motion
Date Added: 2017-07-23
Submitter: Flipping PhysicsWhat 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 equationMultilingual? Please help translate Flipping Physics videos!
Next Video: Human Tangential Velocity Demonstration
Previous Video: Uniformly Angularly Accelerated Motion Introduction
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Thank you to Christopher Becke for being my Quality Control Team for this video.
Introductory Uniformly Angularly Accelerated Motion Problem - A CD Player -
Name: Uniformly Angularly Accelerated Motion Introduction
Category: Rotational Motion
Date Added: 2017-07-17
Submitter: Flipping PhysicsUsing 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
4:20 Examples of objects in UαM
4:48 Average and instantaneous angular velocity and the UαM equationsMultilingual? Please help translate Flipping Physics videos!
Next Video: Introductory Uniformly Angularly Accelerated Motion Problem - A CD Player
Previous Video: Angular Accelerations of a Record Player
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Thank you to Scott Carter, and Christopher Becke for being my Quality Control Team for this video.
Uniformly Angularly Accelerated Motion Introduction -
Name: Angular Accelerations of a Record Player
Category: Rotational Motion
Date Added: 2017-07-11
Submitter: Flipping PhysicsA 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 acceleration at a constant angular velocity
3:57 Solving part (c) - angular acceleration while slowing down
4:36 Reflecting on all 3 parts simultaneouslyMultilingual? Please help translate Flipping Physics videos!
Next Video: Uniformly Angularly Accelerated Motion Introduction
Previous Video: Angular Acceleration Introduction
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Thank you to Aarti Sangwan, Scott Carter, and Christopher Becke for being my Quality Control team for this video.
Angular Accelerations of a Record Player -
Name: Angular Acceleration Introduction
Category: Rotational Motion
Date Added: 2017-07-11
Submitter: Flipping PhysicsAngular acceleration is introduced by way of linear acceleration. The units of radians per second squared are discussed. Examples of objects which angular acceleration are shown.
Want Lecture Notes? This is an AP Physics 1 topic.
Content Times:
0:23 Average angular acceleration
1:02 Angular acceleration units
1:37 Demonstrating objects which have angular accelerationMultilingual? Please help translate Flipping Physics videos!
Next Video: Angular Accelerations of a Record Player
Previous Video: Introductory Angular Velocity Problem - A Turning Bike Tire
Please support me on Patreon!
Thank you to Aarti Sangwan, Scott Carter, and Christopher Becke for being my Quality Control team for this video.
Angular Acceleration Introduction -
Name: Introductory Angular Velocity Problem - A Turning Bike Tire
Category: Rotational Motion
Date Added: 2017-06-26
Submitter: Flipping PhysicsThe wheel of a bike rotates exactly 3 times in 12.2 seconds. What is the average angular velocity of the wheel in (a) radians per second and (b) revolutions per minute?
Want Lecture Notes? This is an AP Physics 1 topic.
Content Times:
0:08 Translating the problem
1:32 Solving for the angular velocity in radians per second
2:22 Converting from radians per second to revolutions per minute
3:24 Three common mistakes made by students when doing this conversion.
4:37 Alternate and easier solution for part bMultilingual? Please help translate Flipping Physics videos!
Next Video: Angular Acceleration Introduction
Previous Video: Angular Velocity Introduction
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Thank you to Scott Carter and Christopher Becke for being my Quality Control team for this video.
Introductory Angular Velocity Problem - A Turning Bike Tire -
Name: Angular Velocity Introduction
Category: Rotational Motion
Date Added: 2017-06-19
Submitter: Flipping PhysicsThe equation for average angular velocity is presented in relation to the equation for average linear velocity. Radians per second and revolutions per minute are discusses as the units for angular velocity. Objects which have angular velocity are shows.
Want Lecture Notes? This is an AP Physics 1 topic.Content Times:
0:09 Average linear velocity
0:22 Average angular velocity
0:53 The units for angular velocity
1:37 Examples of objects with angular velocityMultilingual? Please help translate Flipping Physics videos!
Next Video: Introductory Angular Velocity Problem - A Turning Bike Tire
Previous Video: Introductory Arc Length Problem - Gum on a Bike Tire
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Thank you to Scott Carter and Christopher Becke for being my Quality Control team for this video.
Angular Velocity Introduction -
Name: Introductory Arc Length Problem - Gum on a Bike Tire
Category: Rotational Motion
Date Added: 2017-06-12
Submitter: Flipping PhysicsHow far does a piece of gum stuck to the outside of a 67 cm diameter wheel travel while the wheel rotates through 149°? A conversion from revolutions to degrees is performed.
Want Lecture Notes? This is an AP Physics 1 topic.Content Times:
0:11 Reading, visualizing, and translating the problem
1:22 Solving the problem
1:51 Converting from revolutions to radians
3:09 Measuring our answerMultilingual? Please help translate Flipping Physics videos!
Next Video: Angular Velocity Introduction
Previous Video: Defining Pi for Physics
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Thank you to Aarti Sangwan and Christopher Becke for being my Quality Control team for this video.
Introductory Arc Length Problem - Gum on a Bike Tire -
Name: Defining Pi for Physics
Category: Rotational Motion
Date Added: 2017-06-04
Submitter: Flipping PhysicsPi is defined as the ratio of the circumference of a circle to its diameter. A frisbee is used to show the definition of pi. The units for pi, radians, are discussed. The conversion factor between revolutions, degrees, and radians is introduced. Want Lecture Notes? This is an AP Physics 1 topic.
Content Times:
0:22 The definition of pi
0:49 Demonstrating the definition of pi
1:35 The units for pi (radians)
2:04 revolutions, degrees, and radians
2:28 Please use rad for radians (not r, that is for radius)Multilingual? Please help translate Flipping Physics videos!
Next Video: Introductory Arc Length Problem - Gum on a Bike Tire
Previous Video: Introduction to Circular Motion and Arc Length
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Thank you to Aarti Sangwan, Scott Carter, and Christopher Becke for being my Quality Control team for this video.
Defining Pi for Physics -
Name: Introduction to Circular Motion and Arc Length
Category: Rotational Motion
Date Added: 2017-05-30
Submitter: Flipping PhysicsCartesian and polar coordinates are introduced and how to switch from one to the other is derived. The concept of angular displacement and arc length are demonstrated. Circumference is shown to be an arc length. Want Lecture Notes? This is an AP Physics 1 topic.
Content Times:
0:10 Cartesian coordinates and circular motion
1:00 Polar coordinates and circular motion
1:40 Switching between polar and Cartesian coordinates
2:18 Introduction to Angular Displacement and Arc Length
3:24 The Arc Length equation
4:13 Circumference and Arc LengthMultilingual? Please help translate Flipping Physics videos!
Next Video: Defining Pi for Physics
Previous Video: 2D Conservation of Momentum Example using Air Hockey Discs
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Thank you to Aarti Sangwan and Christopher Becke for being my Quality Control team for this video.
Introduction to Circular Motion and Arc Length -
Name: AP Physics C: Equations to Memorize (Mechanics)
Category: Vector Math
Date Added: 2017-04-30
Submitter: Flipping PhysicsCalculus based review of equations I suggest you memorize for the AP Physics C: Mechanics Exam. Please realize I abhor memorization, however, there are a few equations which I do recommend you memorize. I also list equations NOT to memorize and ones which I suggest you know how to derive. Also a note about Moments of Inertia and the AP Exam.
For the calculus based AP Physics C mechanics exam. Want Lecture Notes?Content Times:
0:22 Equations to Memorize
2:06 Derivative as an Integral Example
6:52 Equations NOT to memorize
8:10 Equations to know how to derive
10:14 Moments of Inertia and the AP ExamMultilingual? Please help translate Flipping Physics videos!
Previous Video: AP Physics C: Simple Harmonic Motion Review (Mechanics)
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Thank you to Aarti Sangwan, Sawdog, Romail Pervez Bhatti, and Lisa Greene for being my Quality Control team for this video.
AP Physics C: Equations to Memorize (Mechanics) -
Name: AP Physics C: Simple Harmonic Motion Review (Mechanics)
Category: Oscillations & Gravity
Date Added: 2017-04-30
Submitter: Flipping PhysicsCalculus based review of Simple Harmonic Motion (SHM). SHM is defined. A horizontal mass-spring system is analyzed and proven to be in SHM and it’s period is derived. The difference between frequency and angular frequency is shown. The equations and graphs of position, velocity, and acceleration as a function of time are analyzed. the phase constant Phi is explained. And Conservation of Mechanical Energy in SHM is discussed. For the calculus based AP Physics C mechanics exam.
Want Lecture Notes?Content Times:
0:12 Defining simple harmonic motion (SHM)
0:53 Analyzing the horizontal mass-spring system
2:26 Proving a horizontal mass-spring system is in SHM
3:38 Solving for the period of a mass-spring system in SHM
4:39 Are frequency and angular frequency the same thing?
5:16 Position as a function of time in SHM
5:44 Explaining the phase constant Phi
6:19 Deriving velocity as a function of time in SHM
7:33 Deriving acceleration as a function of time in SHM
9:05 Understanding the graphs of position, velocity, and acceleration as a function of time in SHM
12:16 Conservation of Mechanical Energy in SHMMultilingual? Please help translate Flipping Physics videos!
Next Video: AP Physics C: Equations to Memorize (Mechanics)
Previous Video: AP Physics C: Universal Gravitation Review (Mechanics)
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Thank you to Sawdog for being my Quality Control individual for this video.
AP Physics C: Simple Harmonic Motion Review (Mechanics) -
Name: AP Physics C: Universal Gravitation Review (Mechanics)
Category: Oscillations & Gravity
Date Added: 2017-12-22
Submitter: Flipping PhysicsCalculus 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 LawMultilingual? Please help translate Flipping Physics videos!
Next Video: AP Physics C: Simple Harmonic Motion Review (Mechanics)
Previous Video: AP Physics C: Rotational vs. Linear Review (Mechanics)
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Thank you to Aarti Sangwan, Sawdog, and Frank Geshwind for being my Quality Control team for this video.
AP Physics C: Universal Gravitation Review (Mechanics)
Video Discussion: Minimum Speed for Water in a Bucket Revolving in a Vertical Circle
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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
Multilingual? Please help translate Flipping Physics videos!
Previous Video: Analyzing Water in a Bucket Revolving in a Vertical Circle
Please support me on Patreon!
Thank you to Aarti Sangwan and Christopher Becke for being my Quality Control Team for this video.
Minimum Speed for Water in a Bucket Revolving in a Vertical Circle