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Name: The Human Spine acts like a Compression Spring Category: Oscillations Date Added: 2018-04-02 Submitter: Flipping Physics A horizontal spring is attached to a cord, the cord goes over a pulley, and a 0.025 kg mass is attached to the cord. If the spring is stretched by 0.045 m, what is the spring constant of the spring? Want Lecture Notes? This is an AP Physics 1 topic. Content Times: 0:07 Translating the problem 0:39 Solving the problem 2:26 Comparing to a vertical spring 3:30 Expansion vs. compression springs 3:56 The human spine acts like a compression spring Next Video: You Can't Run From Momentum! (a momentum introduction) Multilingual? Please help translate Flipping Physics videos! Previous Video: Determining the Spring Constant, k, with a Vertically Hanging Mass Please support me on Patreon! Thank you to Aarti Sangwan, Scott Carter, 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. The Human Spine acts like a Compression Spring -
Name: Determining the Spring Constant, k, with a Vertically Hanging Mass Category: Oscillations Date Added: 2018-04-02 Submitter: Flipping Physics A vertically hanging spring with a natural length of 5.4 cm is extended to a length of 11.4 cm when 25 grams is suspended from it. What is the spring constant of the spring? Want Lecture Notes? This is an AP Physics 1 topic. Content Times: 0:08 Translating the problem 0:54 The free body diagram 1:53 Understanding the direction of the Spring Force 2:46 Summing the forces 3:32 Common misconception when using Hooke’s Law equation 5:00 Using the magnitude of the displacement from equilibrium Next Video: The Human Spine acts like a Compression Spring Multilingual? Please help translate Flipping Physics videos! Previous Video: Hooke's Law Introduction - Force of a Spring Please support me on Patreon! Thank you to Aarti Sangwan 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. Determining the Spring Constant, k, with a Vertically Hanging Mass
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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 Physics Works! Next Video: Newton's Universal Law of Gravitation Introduction (The Big G Equation) Multilingual? Please help translate Flipping Physics videos! Previous Video: The Right Hand Rule for Angular Velocity and Angular Displacement Please support me on Patreon! Thank you to Scott Carter and Christopher Becke for being my Quality Control Team for this video. Conical Pendulum Demonstration and Problem
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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 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 Please support me on Patreon! 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
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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 translate Flipping Physics videos! Previous Video: Introductory Centripetal Force Problem - Car over a Hill Please support me on Patreon! 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?
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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 Solving the problem … finally. 6:15 Kit compares the magnitudes of the force normal and force of gravity Thank 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? Multilingual? Please help translate Flipping Physics videos! Previous Video: Centripetal Force Introduction and Demonstration Please support me on Patreon! 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
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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 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 acceleration Multilingual? 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
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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 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. Introductory Tangential Velocity Problem - Mints on a Turntable
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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: Uniformly Angularly Accelerated Motion Introduction Please support me on Patreon! Thank you to Christopher Becke for being my Quality Control Team for this video. Introductory Uniformly Angularly Accelerated Motion Problem - A CD Player
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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 acceleration at a constant angular velocity 3:57 Solving part (c) - angular acceleration while slowing down 4:36 Reflecting on all 3 parts simultaneously Multilingual? Please help translate Flipping Physics videos! Next Video: Uniformly Angularly Accelerated Motion Introduction Previous Video: Angular Acceleration Introduction 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 Accelerations of a Record Player
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Name: Introductory Angular Velocity Problem - A Turning Bike Tire Category: Rotational Motion Date Added: 2017-06-26 Submitter: Flipping Physics The 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 b Multilingual? Please help translate Flipping Physics videos! Next Video: Angular Acceleration Introduction Previous Video: Angular Velocity Introduction Please support me on Patreon! 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
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Name: Introductory Arc Length Problem - Gum on a Bike Tire Category: Rotational Motion Date Added: 2017-06-12 Submitter: Flipping Physics How 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 answer Multilingual? Please help translate Flipping Physics videos! Next Video: Angular Velocity Introduction Previous Video: Defining Pi for Physics Please support me on Patreon! 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
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Name: AP Physics C: Universal Gravitation Review (Mechanics) Category: Oscillations & Gravity Date Added: 2017-12-22 Submitter: Flipping Physics 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. AP Physics C: Universal Gravitation Review (Mechanics)
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Name: AP Physics C: Rotational Dynamics Review - 2 of 2 (Mechanics) Category: Rotational Motion Date Added: 2017-04-28 Submitter: Flipping Physics Calculus based review of the cross product torque equation, how to do a unit vector cross product problem, rotational equilibrium, the rotational form of Newton’s second law, the angular momentum of a particle and of a rigid object with shape, the derivation of conservation of angular momentum, and a conservation of angular momentum example problem which reviews a lot of the pieces necessary to understand conservation of angular momentum. For the calculus based AP Physics C mechanics exam. Want Lecture Notes? Content Times: 0:15 The cross product torque equation 1:10 Unit vector cross product example problem 3:32 Rotational equilibrium definition 4:55 Rotational form of Newton’s second law 5:37 Angular momentum of a particle 7:08 Angular momentum of a rigid object with shape 7:49 Conservation of angular momentum derivation 8:57 Conservation of angular momentum example problem 10:57 Visualizing the problem 12:04 The conservation of angular momentum equation 12:54 Solving for the constant value of the variable y. 14:04 Substituting in known values 15:38 Does our variable answer make sense? Multilingual? Please help translate Flipping Physics videos! AP Physics C Review Website Next Video: AP Physics C: Rotational vs. Linear Review (Mechanics) Previous Video: AP Physics C: Rotational Dynamics Review - 1 of 2 (Mechanics) Please support me on Patreon! Thank you to Sawdog for being my Quality Control individual for this video. AP Physics C: Rotational Dynamics Review - 2 of 2 (Mechanics)
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Name: Impulse Comparison of Three Different Demonstrations Category: Momentum and Collisions Date Added: 2017-02-09 Submitter: Flipping Physics A racquetball is dropped on to three different substances from the same height above each: water, soil, and wood. Rank the _______ during the collision with each substance in order from least to most. (a) Impulse. (b) Average Force of Impact. (Assume the racquetball stops during the collision with the water and soil.) This is an AP Physics 1 Topic. Want Lecture Notes? Content Times: 0:11 Prom Dress Day! 0:20 The three demonstrations 0:32 The problem 1:43 The equation for Impulse and Impact Force 2:02 Understanding the two parts to the demonstrations 3:33 Part (a): Impulse [water and soil] 4:47 Part (a): Impulse [wood] 5:23 Part (b): Impact Force [water and soil] 6:27 Part (b): Impact Force [wood] 7:59 The Ann Arbor Prom Dress Project Thank you to Jan Wery and Judi Lintott of the Ann Arbor Prom Dress Project: “Find your dream dress for less than $25." Next Video: Review of Mechanical Energy and Momentum Equations and When To Use Them! Multilingual? Please help translate Flipping Physics videos! Previous Video: Using Impulse to Calculate Initial Height Please support me on Patreon! Thank you to my Quality Control help: Scott Carter and Jennifer Larsen Impulse Comparison of Three Different Demonstrations
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Name: Using Impulse to Calculate Initial Height Category: Momentum and Collisions Date Added: 2017-02-03 Submitter: Flipping Physics A 66 g beanbag is dropped and stops upon impact with the ground. If the impulse measured during the collision is 0.33 N·s, from what height above the ground was the beanbag dropped? This is an AP Physics 1 Topic. Want Lecture Notes? Content Times: 0:12 Superhero Day! 0:56 The problem 1:39 Splitting the problem in to two parts 2:32 Using Impulse for part 2 3:30 Using Conservation of Energy for part 1 4:45 What went wrong? Next Video: Impulse Comparison of Three Different Demonstrations Multilingual? Please help translate Flipping Physics videos! Previous Video: Review of Momentum, Impact Force, and Impulse Thanks to Adam Herz for letting me borrow a VHS copy of our high school video yearbook which he was instrumental in the creating of. Please support me on Patreon! Thank you to my Quality Control help: Christopher Becke and Jennifer Larsen Using Impulse to Calculate Initial Height
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Name: Introductory Elastic Collision Problem Demonstration Category: Momentum and Collisions Date Added: 2016-11-24 Submitter: Flipping Physics An elastic collision is demonstrated and analyzed. 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: 0:25 Reading and translating the problem 1:17 The demonstration 1:52 Solving for velocity final of cart 2 3:46 Measuring the velocity final of cart 2 4:25 Checking if kinetic energy is conserved 6:22 We should have converted to meters per second Next Video: Demonstrating Impulse is Area Under the Curve Multilingual? Please help translate Flipping Physics videos! Previous Video: Introductory Perfectly Inelastic Collision Problem Demonstration Please support me on Patreon! Thank you to my Quality Control help: Christopher Becke and Jennifer Larsen Introductory Elastic Collision Problem Demonstration
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Name: Introductory Conservation of Momentum Explosion Problem Demonstration Category: Momentum and Collisions Date Added: 2016-10-13 Submitter: Flipping Physics Now that we have learned about conservation of momentum, let’s apply what we have learned to an “explosion”. Okay, it’s really just the nerd-a-pult launching a ball while on momentum carts. Want lecture notes? This is an AP Physics 1 Topic. Content Times: 0:38 The demonstration 1:16 The known values 2:07 Solving the problem using conservation of momentum 4:00 Measuring the final velocity of the nerd-a-pult 4:39 Determining relative error 5:09 What happens with a less massive projectile? Multilingual? Please help translate Flipping Physics videos! Previous Video: Introduction to Conservation of Momentum with Demonstrations Please support me on Patreon! Introductory Conservation of Momentum Explosion Problem Demonstration
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Name: Proving and Explaining Impulse Approximation Category: Momentum and Collisions Date Added: 2016-09-22 Submitter: Flipping Physics Know when and how to use the “Impulse Approximation”. Want lecture notes? This is an AP Physics 1 Topic. Content Times: 0:12 Reviewing the examples 0:43 Defining Impulse Approximation 1:41 Determining the forces during the collision 2:27 Solving for the Force Normal (or Force of Impact) 3:12 Determining our error Next Video: How to Wear A Helmet - A PSA from Flipping Physics Multilingual? Please help translate Flipping Physics videos! Previous Video: Impulse Introduction or If You Don't Bend Your Knees When Stepping off a Wall Please support me on Patreon! Proving and Explaining Impulse Approximation
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Name: Impulse Introduction or If You Don't Bend Your Knees When Stepping off a Wall Category: Momentum and Collisions Date Added: 2016-09-22 Submitter: Flipping Physics Now mr.p doesn’t bend his knees when stepping off a wall. What is the new force of impact? Want lecture notes? This is an AP Physics 1 Topic. Content Times: 0:18 How much does mr.p bend his knees? 1:00 Reviewing the previous problem 1:57 What changes if I don’t bend my knees? 2:41 Impulse introduction 3:36 The impulse during this collision 4:51 Why is it bad to not bend your knees? 5:22 Estimating time of collision if I don’t bend my knees 6:09 Solving for the force of impact 6:51 Review 7:28 No tomatoes were wasted in the making of this video Next Video: Proving and Explaining Impulse Approximation Multilingual? Please help translate Flipping Physics videos! Previous Video: Calculating the Force of Impact when Stepping off a Wall Please support me on Patreon! Impulse Introduction or If You Don't Bend Your Knees When Stepping off a Wall
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Name: Calculating the Force of Impact when Stepping off a Wall Category: Momentum and Collisions Date Added: 2016-09-08 Submitter: Flipping Physics A 73 kg mr.p steps off a 73.2 cm high wall. If mr.p bends his knees such that he stops his downward motion and the time during the collision is 0.28 seconds, what is the force of impact caused by the ground on mr.p? Want lecture notes? This is an AP Physics 1 Topic. Content Times: 0:21 Translating the problem 1:32 Splitting the problem into parts 3:07 Substituting in known variables 4:30 Finding the final velocity for part 1 6:21 Substituting back into Force of Impact equation 7:23 Converting to pounds Next Video: Impulse Introduction or If You Don't Bend Your Knees When Stepping off a Wall Multilingual? Please help translate Flipping Physics videos! Previous Video: Instantaneous Power Delivered by a Car Engine - Example Problem Please support me on Patreon! A big thank you to Jean Gifford for donating the money for Bo and Billy’s bathrobes! Calculating the Force of Impact when Stepping off a Wall
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Name: Work due to Friction equals Change in Mechanical Energy Problem by Billy Category: Work, Energy, Power Date Added: 2016-02-17 Submitter: Flipping Physics Enjoy learning from Billy as he solves a problem using Work due to Friction equals Change in Mechanical Energy. Want Lecture Notes? This is an AP Physics 1 topic. Content Times: 0:21 The problem 0:51 Work due to Friction equals Change in Mechanical Energy 1:31 Determining the Mechanical Energies 2:44 Solving for the Force Normal 3:52 Relating height final to displacement along the incline 5:03 Substituting in numbers Next Video: Deriving the Work-Energy Theorem using Calculus See this problem solved using Conservation of Energy and Newton’s Second Law. Multilingual? Please help translate Flipping Physics videos! Previous Video: Introductory Work due to Friction equals Change in Mechanical Energy Problem 1¢/minute Work due to Friction equals Change in Mechanical Energy Problem by Billy
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Name: Introductory Work due to Friction equals Change in Mechanical Energy Problem Category: Work, Energy, Power Date Added: 2016-02-12 Submitter: Flipping Physics The equation Work due to Friction equals Change in Mechanical Energy can often be confusing for students. This video is a step-by-step introduction in how to use the formula to solve a problem. Want Lecture Notes? This is an AP Physics 1 topic. Content Times: 0:09 The problem 1:29 Why we can use this equation in this problem 1:52 Expanding the equation 2:29 Identifying Initial and Final Points and the Horizontal Zero Line 3:00 Substituting into the left hand side of the equation 4:05 Deciding which Mechanical Energies are present 4:59 Where did all that Kinetic Energy go? 5:27 Identifying which variables we know and do not know 5:58 Solving for the Force Normal 6:57 Substituting Force Normal back into the original equation 8:09 Why isn’t our answer negative? Next Video: Work due to Friction equals Change in Mechanical Energy Problem by Billy Multilingual? Please help translate Flipping Physics videos! Previous Video: Introduction to Mechanical Energy with Friction 1¢/minute Introductory Work due to Friction equals Change in Mechanical Energy Problem
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Name: Introductory Conservation of Mechanical Energy Problem using a Trebuchet Category: Work, Energy, Power Date Added: 2016-01-12 Submitter: Flipping Physics Learn how to use the Conservation of Mechanical Energy equation by solving a trebuchet problem. Want Lecture Notes? This is an AP Physics 1 topic. Content Times: 0:08 The problem 1:08 Why mechanical energy is conserved 1:37 Setting the zero line and initial and final points 2:32 The three types of mechanical energy 3:55 Canceling mechanical energies from the equation 4:54 Solving the equation 6:18 It’s final speed not final velocity 6:51 Why we can’t use the projectile motion equations 7:43 Do we really have to write all that down? Yes. Thank you to my students Will, Jacob, Natalie and Mery; my students who built and let me use their trebuchet! Next Video: Conservation of Energy Problem with Friction, an Incline and a Spring by Billy Multilingual? Please help translate Flipping Physics videos! Previous Video: Introduction to Elastic Potential Energy with Examples 1¢/minute Introductory Conservation of Mechanical Energy Problem using a Trebuchet
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Name: Introductory Work Problem Category: Work, Energy, Power Date Added: 2015-11-19 Submitter: Flipping Physics Mr.p pushes a shopping cart so you can learn about the physics concept of work! Want Lecture Notes? This is an AP Physics 1 topic. Content Times: 0:09 Reading and translating the problem 0:52 Demonstrating the problem 1:30 Better Off Dead 2:04 Drawing the Free Body Diagram 3:14 Solving for work with two common mistakes 4:45 Work done by the Force of Gravity 5:16 Work done by the Force Normal Next Video: Introduction to Kinetic Energy with Example Problem Multilingual? Please help translate Flipping Physics videos! Previous Video: Introduction to Work with Examples 1¢/minute Introductory Work Problem