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Example: 0.100 kg and 0.200 kg masses hang from either side of a frictionless #Pulley with a rotational inertia of 0.0137 kg·m^2 and radius of 0.0385 m. (a) What is the #AngularAcceleration of the pulley? (b) What is the #TensionForce in each string? Want Lecture Notes? This is an AP Physics 1 Topic. Content Times: 0:08 The problem 1:29 The free body diagrams 2:51 Net torque on the pulley 4:28 Net forces on both masses 6:49 Tangentail acceleration 7:31 Solving for acceleration 8:55 Measuring acceleration 10:16 Solving for Tension 12:29 2 incorrect solutions Multilingual? Please help translate Flipping Physics videos! Previous Video: Using Integrals to Derive Rotational Inertia of a Long, Thin Rod with Demonstration Please support me on Patreon! Thank you to Christopher Becke and Faiaz Rahman for being my Quality Control Team for this video.

 example
 demonstration
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Using Integrals to Derive Rotational Inertia of a Long, Thin Rod with Demonstration
Flipping Physics posted a video in Rotational Motion
We use integrals to derive the #rotationalinertia of a uniform, long, thin rod. And we demonstrate our answer is correct using a Rotational Inertia Demonstrator. Want Lecture Notes? This is an AP Physics 😄 Mechanics Topic. Content Times: 0:15 Rotational Inertia 0:42 Linear Mass Density 1:51 About Center of Mass 3:02 About an End 4:27 Rotational Inertia Demonstrator (RID) 6:09 About Center of RID 7:03 Comparing our answers 7:43 Demonstrating our answer Next Video: 2 Masses on a Pulley  Torque Demonstration Multilingual? Please help translate Flipping Physics videos! Graphing the Rotational Inertia of an Irregular Shape Previous Video: How the Force of Tension on a Pulley Changes with Acceleration Please support me on Patreon! Thank you to Christopher Becke and Faiaz Rahman for being my Quality Control Team for this video. 
How the Force of Tension on a Pulley Changes with Acceleration
Flipping Physics posted a video in Rotational Motion
We predict and measure the force of tension acting on a pulley while the system is at rest and accelerating. #PulleyTensionForce Want Lecture Notes? This is an AP Physics 1 Topic. Content Times: 0:20 The data 0:45 Review 1:15 Tension while at rest 2:45 Accelerating tension Next Video: Using Integrals to Derive Rotational Inertia of a Long, Thin Rod with Demonstration Multilingual? Please help translate Flipping Physics videos! Previous Video: Graphing the Rotational Inertia of an Irregular Shape Please support me on Patreon! Thank you to Christopher Becke and Faiaz Rahman for being my Quality Control Team for this video.
 example
 demonstration

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Graphing the Rotational Inertia of an Irregular Shape
Flipping Physics posted a video in Rotational Motion
We determine what data to collect to create a graph with rotational inertia as the slope of the bestfit line. #RotationalInertia  Then we collect the data and determine the rotational inertia of an irregular shape. Want Lecture Notes? This is an AP Physics 1 Topic. Content Times: 0:11 The problem 0:46 Free Body Diagram 1:31 Net Torque 3:01 Trial #1 3:52 Angular Acceleration 5:20 12 Trials and Graph 6:29 Deriving Units Next Video: How the Force of Tension on a Pulley Changes with Acceleration Multilingual? Please help translate Flipping Physics videos! Previous Video: Painter on a Scaffold  Don't Fall Off!! Please support me on Patreon! Thank you to Christopher Becke and Faiaz Rahman for being my Quality Control Team for this video.
 slope
 rotational form of newtons second law
 (and 3 more)

Example: What is the closest to the end of a 93 g uniform meterstick you can place a 200.0 g object and have the system stay balanced? The meterstick is supported at the 20.0 cm and 80.0 cm marks. Want Lecture Notes? This is an AP Physics 1 Topic. Content Times: 0:03 A scaffold 0:33 The problem 1:28 Free body diagram 2:06 Net torque 3:34 Force Normal demo 4:28 Solving the problem 6:17 Testing our answer Next Video: Graphing the Rotational Inertia of an Irregular Shape Multilingual? Please help translate Flipping Physics videos! Previous Video: Placing the Fulcrum on a Seesaw Please support me on Patreon! Thank you to Scott Carter, Christopher Becke, and Jonathan Everett for being my Quality Control Team for this video.

 demonstration
 painter on a scaffold
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Example: A 200.0 g mass is placed at the 20.0 cm mark on a uniform 93 g meterstick. A 100.0 g mass is placed at the 90.0 cm mark. Where on the meterstick should the fulcrum be placed to balance the system? Want Lecture Notes? This is an AP Physics 1 Topic. Content Times: 0:01 Seesaw 0:33 The problem 1:28 The fulcrum 2:14 Free body diagram 2:38 Net force 3:35 Net torque 5:49 Combining equations 7:11 Testing our answer 8:11 Alternate solution Next Video: Painter on a Scaffold  Don't Fall Off!! Multilingual? Please help translate Flipping Physics videos! Previous Video: Introductory Rotational Equilibrium Problem Please support me on Patreon! Thank you to Scott Carter, Christopher Becke, and Jonathan Everett for being my Quality Control Team for this video.

 demonstration
 example problem
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A uniform 0.093 kg meterstick is supported at the 15 cm and 92 cm marks. When a 0.250 kg object is placed at the 6.0 cm mark, what are the magnitudes of the forces supporting the meterstick? Want Lecture Notes? This is an AP Physics 1 Topic. Content Times: 0:07 The problem 1:35 Summing the forces 2:55 Summing the torques 5:17 Combining equations 6:04 Torque distances 7:14 The units!! 8:20 Finding Force Normal 1 9:26 Testing our answers Next Video: Placing the Fulcrum on a Seesaw Multilingual? Please help translate Flipping Physics videos! Previous Video: Rotational Equilibrium Introduction (and Static Equilibrium too!!) Please support me on Patreon! Thank you to Scott Carter, Christopher Becke, and Jonathan Everett for being my Quality Control Team for this video.

 jee
 rotational equlibirum
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Rotational Equilibrium Introduction (and Static Equilibrium too!!)
Flipping Physics posted a video in Rotational Motion
An introduction to Rotational Equilibrium with a review of Translational Equilibrium and demonstrations. Wait there’s more … Static Equilibrium! Want Lecture Notes? This is an AP Physics 1 Topic. Content Times: 0:07 Reviewing Translational Equilibrium 1:21 Visualizing Translational Equilibrium 2:07 Rotational Equilibrium Introduction 3:09 Visualizing Rotational Equilibrium 4:22 Static Equilibrium Next Video: Introductory Rotational Equilibrium Problem Multilingual? Please help translate Flipping Physics videos! Previous Video: (2 of 2) Measuring the Rotational Inertia of a Bike Wheel Please support me on Patreon! Thank you to Scott Carter, Christopher Becke, and Jonathan Everett for being my Quality Control Team for this video.
 neet
 ap physics c
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Demonstrating Rotational Inertia (or Moment of Inertia)
Flipping Physics posted a video in Rotational Motion
Thank you to Arbor Scientific for letting me borrow their Rotational Inertia Demonstrator to … uh … demonstrate rotational inertia. Want Lecture Notes? This is an AP Physics 1 Topic. Content Times: 0:22 The Rotational Inertia Demonstrator 0:58 Rotational Inertia 1:40 Demonstration #1 2:00 Demonstration #2 2:55 Why always balanced? 4:30 Demonstration #3 5:27 Demonstration #4 Next Video: Introductory Rotational Form of Newton's Second Law Problem Want a Rotational Inertia Demonstrator? Multilingual? Please help translate Flipping Physics videos! Previous Video: Rotational Form of Newton's Second Law  Introduction Please support me on Patreon! Thank you to Scott Carter, Christopher Becke, Jonathan Everett, and Faiaz Rahman for being my Quality Control Team for this video.
 rotational inertia
 moment of inertia

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Three people push on a door. We determine the net torque. Want Lecture Notes? This is an AP Physics 1 Topic. Content Times: 0:07 Translating the problem 2:00 Solving the problem 3:07 Torque Direction! Next Video: Rotational Form of Newton's Second Law  Introduction Multilingual? Please help translate Flipping Physics videos! Previous Video: The Right Hand Rule for Torque Please support me on Patreon! Thank you to Christopher Becke and Scott Carter for being my Quality Control Team for this video.

The right hand rule for the direction of torque is described and demonstrated six times. Want Lecture Notes? Content Times: 0:26 The Right Hand Rule 0:47 Demonstration #1 1:27 Demonstration #2 2:37 Demonstration #3 3:20 Demonstration #4 3:40 Demonstration #5 4:24 Demonstration #6 Next Video: Net Torque on a Door Problem Multilingual? Please help translate Flipping Physics videos! Previous Video: An Introductory Torque Wrench Problem Please support me on Patreon! Thank you to Christopher Becke and Scott Carter for being my Quality Control Team for this video.

 demonstration
 couterclockwise

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A problem involving forces on a wrench is used to determine the torque exerted by the wrench. A “cheater pipe” is also added. Want Lecture Notes? This is an AP Physics 1 topic. Content Times: 0:07 Translating the problem 2:35 Solving the problem 3:06 Arguing about the angle 4:44 Adding a “Part B” 5:40 Demonstrating the “cheater pipe” Next Video: The Right Hand Rule for Torque Multilingual? Please help translate Flipping Physics videos! Previous Video: Torque Introduction Please support me on Patreon! Thank you to Christopher Becke and Scott Carter for being my Quality Control Team for this video.

 cheater bar
 cheater pipe

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Translational and Rotational motion are demonstrated and reviewed. Torque is introduced via the equation and several door opening demonstrations. Moment arm or lever arm is defined and illustrated. Want Lecture Notes? This is an AP Physics 1 topic. Content Times: 0:06 Translational and Rotational Motion 0:58 Defining Torque 1:53 The torque equation 2:59 Door example #1 4:56 Door example #2 6:11 Door example #3 6:58 Defining moment arm 9:18 Torque units Next Video: An Introductory Torque Wrench Problem Multilingual? Please help translate Flipping Physics videos! Previous Video: Moments of Inertia of Rigid Objects with Shape Please support me on Patreon! Thank you to Christopher Becke and Scott Carter for being my Quality Control Team for this video.

 door
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Two equal mass eggs are placed at either end in an egg carton of negligible mass. The egg carton is initially rotated about its middle. If the egg carton is now rotated about one end, what is the final moment of inertia of the eggs relative to their initial moment of inertia? Want Lecture Notes? This is an AP Physics 1 topic. Content Times: 0:07 Translating the problem 0:47 Initial moment of inertia 1:52 Final moment of inertia 2:46 This is a rough estimate Next Video: Moments of Inertia of Rigid Objects with Shape Multilingual? Please help translate Flipping Physics videos! Previous Video: Introductory Moment of Inertia and Rotational Kinetic Energy Problem Please support me on Patreon! Thank you to Christopher Becke for being my Quality Control Team for this video.

 problem
 moment of inertia
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Introductory Moment of Inertia and Rotational Kinetic Energy Problem
Flipping Physics posted a video in Rotational Motion
Three 20.0gram masses are 9.4 cm from an axis of rotation and rotating at 152 revolutions per minute. What is the moment of inertia of the threeobject system? The strings holding the masses are of negligible mass. Rotational Kinetic Energy is also solved for and correct units are determined. Want Lecture Notes? This is an AP Physics 1 topic. Content Times: 0:02 Demonstration 0:14 Translating the problem 0:57 Solving the problem 2:40 Moment of Inertia and angular velocity 3:35 Rotational Kinetic Energy 4:04 Fixing the units 6:27 Solving for joules 7:17 Comparing to Gravitational Potential Energy Next Video: Eggs in a Carton Moment of Inertia Problem Multilingual? Please help translate Flipping Physics videos! Previous Video: Moment of Inertia Introduction and Rotational Kinetic Energy Derivation Please support me on Patreon! Thank you to Scott Carter, Jonathan Everett, and Christopher Becke for being my Quality Control Team for this video.
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 problem
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Moment of Inertia Introduction and Rotational Kinetic Energy Derivation
Flipping Physics posted a video in Rotational Motion
The concept of kinetic energy applied to a stationary, rotating wheel is used to define Moment of Inertia and derive Rotational Kinetic Energy. Moment of Inertia is demonstrated. Want Lecture Notes? This is an AP Physics 1 topic. Content Times: 0:07 Kinetic Energy of rotation 2:24 Defining Moment of Inertia 3:00 Defining Rotational Kinetic Energy 4:29 “Rotational Mass” 5:44 Demonstration #1 6:45 Demonstration #2 Next Video: Introductory Moment of Inertia and Rotational Kinetic Energy Problem Multilingual? Please help translate Flipping Physics videos! Previous Video: Conical Pendulum Demonstration and Problem Please support me on Patreon! Thank you to Scott Carter, Kevin Kulka, Jonathan Everett, and Christopher Becke for being my Quality Control Team for this video.
 definition
 demonstration
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Throwing a Ball in a Boat  Demonstrating Center of Mass
Flipping Physics posted a video in Dynamics
When I throw a massive ball to the left such that it lands in the other end of the canoe, what will happen to the positions of the objects? What if the ball does not land in the canoe? This video provides answers and solutions to those questions. Want Lecture Notes? This is an AP Physics 1 topic. Content Times: 0:01 Ball lands in canoe center of mass question 0:52 Demonstrating the answer 1:16 Explaining the answer 3:31 What is the ball lands outside the canoe? 4:28 Demonstrating the answer 5:08 The math solution 8:03 The physics works! Multilingual? Please help translate Flipping Physics videos! Previous Video: Center of Mass of an Object with a Hole Please support me on Patreon! Thank you to Will Longsworth, Christopher Becke, Jonathan Everett, Scott Carter, and Aarti Sangwan for being my Quality Control Team for this video. Thank you to Youssef Nasr for transcribing the English subtitles of this video.
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 newtons second law

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How to find the center of mass of an object with a missing piece. Want Lecture Notes? This is an AP Physics 1 topic. Content Times: 0:07 The problem 1:18 Center of mass locations 2:59 Solving the problem 5:14 Testing the answer Next Video: Throwing a Ball in a Boat  Demonstrating Center of Mass Multilingual? Please help translate Flipping Physics videos! Previous Video: Center of Mass of an Irregular Object Please support me on Patreon! Thank you to Christopher Becke, Jonathan Everett, 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.

 projectile motion
 hang test
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How to find the center of mass of an irregularly shaped, flat object. Want Lecture Notes? This is an AP Physics 1 topic. Content Times: 0:08 The problem 0:57 Translating the problem 2:52 Area instead of mass 4:42 Solving the problem 6:05 Understanding the answer Next Video: Center of Mass of an Object with a Hole Multilingual? Please help translate Flipping Physics videos! Previous Video: Calculating the Center of Mass of a System of Particles Please support me on Patreon! Thank you to Christopher Becke, Jonathan Everett, Scott Carter, and Aarti Sangwan for being my Quality Control Team for this video. Thank you to Youssef Nasr for transcribing the English subtitles of this video.

 projectile motion
 hang test
 (and 7 more)

Harnessing the Power of Spreadsheets in Physics
Flipping Physics posted a video in Introductory Concepts
Basic demonstration of how to use spreadsheets in an introductory physics class. Topics listed below. This is an AP Physics 1 topic. Content Times: 0:33 Basic data collection 0:58 Inputting data 3:45 Equations 8:39 Graphs or charts 12:40 Correcting mistakes 14:08 Formatting charts 15:23 Bestfit lines or trendlines 19:52 Helpful tips 21:50 Printing Multilingual? Please help translate Flipping Physics videos! Another Video: Introduction to Projectile Motion Please support me on Patreon! Thank you to Scott Carter, Christopher Becke, and Sawdog for being my Quality Control Team for this video. Thank you to Youssef Nasr for transcribing the English subtitles of this video.
 formatting
 charts
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Simple Harmonic Motion  Position Equation Derivation
Flipping Physics posted a video in Oscillations
Deriving the position equation for an object in simple harmonic motion. Want Lecture Notes? This is an AP Physics 1 topic. Content Times: 0:01 Reviewing circular motion vs. simple harmonic motion 0:24 Defining x position 1:13 Using angular velocity 3:18 The position equation 3:31 Visualizing the position equation 5:16 The phase constant 6:49 Angular frequency Next Video: Simple Harmonic Motion  Velocity and Acceleration Equation Derivations Multilingual? Please help translate Flipping Physics videos! Previous Video: Comparing Simple Harmonic Motion to Circular Motion  Demonstration Please support me on Patreon! Thank you to Andres Ramos, Sawdog, Christopher Becke, Scott Carter, and Jonathan Everett for being my Quality Control Team for this video. Thank you to Youssef Nasr for transcribing the English subtitles of this video.
 angular frequency
 circular motion
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Comparing Simple Harmonic Motion to Circular Motion  Demonstration
Flipping Physics posted a video in Oscillations
Demonstrating that Circular Motion, when viewed from the side, is Simple Harmonic Motion. Want Lecture Notes? This is an AP Physics 1 topic. Content Times: 0:17 The demonstration 1:21 Position vs. time Next Video: Simple Harmonic Motion  Position Equation Derivation Multilingual? Please help translate Flipping Physics videos! Previous Video: Frequency vs. Period in Simple Harmonic Motion Please support me on Patreon! Thank you to Christopher Becke, Andres Ramos, Aarti Sangwan, and Sawdog for being my Quality Control Team for this video. Thank you to Youssef Nasr for transcribing the English subtitles of this video. 
Frequency, f, is defined and related to Period, T. Two demonstrations are shown and frequency solved for. Want Lecture Notes? This is an AP Physics 1 topic. Content Times: 0:13 Definition of period, T 1:00 Definition of frequency, f 1:40 Demonstration #1 3:05 Demonstration #2 Next Video: Comparing Simple Harmonic Motion to Circular Motion  Demonstration Multilingual? Please help translate Flipping Physics videos! Previous Video: Triple the Mass in a MassSpring System. How does Period Change? Please support me on Patreon! Thank you to Christopher Becke, Andres Ramos, Aarti Sangwan, and Sawdog for being my Quality Control Team for this video. Thank you to Youssef Nasr for transcribing the English subtitles of this video.

 demonstration
 cycles per second
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Simple Harmonic Motion  Force, Acceleration, and Velocity at 3 Positions
Flipping Physics posted a video in Oscillations
Identifying the spring force, acceleration, and velocity at the end positions and equilibrium position of simple harmonic motion. Amplitude is also defined and shown. Want Lecture Notes? This is an AP Physics 1 topic. Content Times: 0:01 Identifying the 3 positions 0:43 Velocity 1:43 Spring Force 2:14 Amplitude 2:30 Acceleration 3:22 Velocity at position 2 4:12 Is simple harmonic motion also uniformly accelerated motion? Thank you to Anish, Kevin, and Olivia for being my “substitute students” in this video! Next Video: Horizontal vs. Vertical MassSpring System Multilingual? Please help translate Flipping Physics videos! Previous Video: Simple Harmonic Motion Introduction via a Horizontal MassSpring System Please support me on Patreon! Thank you to Jonathan Everett, Sawdog, and Christopher Becke for being my Quality Control Team for this video. Thank you to Youssef Nasr for transcribing the English subtitles of this video.
 simple harmonic motion
 force
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Video Discussion: Simple Harmonic Motion  Force, Acceleration, and Velocity at 3 Positions
Flipping Physics posted a topic in Video Discussions
Name: Simple Harmonic Motion  Force, Acceleration, and Velocity at 3 Positions Category: Oscillations Date Added: 20180415 Submitter: Flipping Physics Identifying the spring force, acceleration, and velocity at the end positions and equilibrium position of simple harmonic motion. Amplitude is also defined and shown. Want Lecture Notes? This is an AP Physics 1 topic. Content Times: 0:01 Identifying the 3 positions 0:43 Velocity 1:43 Spring Force 2:14 Amplitude 2:30 Acceleration 3:22 Velocity at position 2 4:12 Is simple harmonic motion also uniformly accelerated motion? Thank you to Anish, Kevin, and Olivia for being my “substitute students” in this video! Next Video: Horizontal vs. Vertical MassSpring System Multilingual? Please help translate Flipping Physics videos! Previous Video: Simple Harmonic Motion Introduction via a Horizontal MassSpring System Please support me on Patreon! Thank you to Jonathan Everett, Sawdog, and Christopher Becke for being my Quality Control Team for this video. Thank you to Youssef Nasr for transcribing the English subtitles of this video. Simple Harmonic Motion  Force, Acceleration, and Velocity at 3 Positions
 simple harmonic motion
 force
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