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Name: When is a Pendulum in Simple Harmonic Motion? Category: Oscillations Date Added: 2018-04-22 Submitter: Flipping Physics Demonstrating when a pendulum is in simple harmonic motion. Want Lecture Notes? This is an AP Physics 1 topic. Content Times: 0:09 Reviewing simple harmonic motion 0:24 Showing a pendulum in simple harmonic motion 1:47 Velocities in simple harmonic motion 2:15 Accelerations in simple harmonic motion 2:57 A pendulum’s restoring force 5:07 A maximum of 15° Thank you to Anish, Kevin, and Olivia for being my “substitute students” in this video! Multilingual? Please help translate Flipping Physics videos! Previous Video: Horizontal vs. Vertical Mass-Spring System Please support me on Patreon! Thank you to Christopher Becke, Jonathan Everett, 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. When is a Pendulum in Simple Harmonic Motion? -
Name: Simple Harmonic Motion - Force, Acceleration, and Velocity at 3 Positions Category: Oscillations Date Added: 2018-04-15 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 Mass-Spring System Multilingual? Please help translate Flipping Physics videos! Previous Video: Simple Harmonic Motion Introduction via a Horizontal Mass-Spring 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
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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
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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: Hooke's Law Introduction - Force of a Spring Category: Oscillations Date Added: 2018-04-02 Submitter: Flipping Physics Hooke’s law is demonstrated and graphed. Spring constant, displacement from equilibrium position, and restoring force are defined and demonstrated. Want Lecture Notes? This is an AP Physics 1 topic. Content Times: 0:01 Robert Hooke 0:46 Compressing a spring using a force sensor 1:33 Graphing force as a function of position 2:14 Hooke’s Law 3:07 Demonstrating displacement from rest position 5:20 Demonstrating the spring constant 6:15 What the negative in Hooke’s Law means 7:02 The spring constant is positive 7:54 The restoring force 8:33 Elastic limit Next Video: Determining the Spring Constant, k, with a Vertically Hanging Mass Multilingual? Please help translate Flipping Physics videos! Previous Video: Instantaneous Power Delivered by a Car Engine - Example Problem Please support me on Patreon! Thank you to Aarti Sangwan, Jonathan Everett, Christopher Becke, 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. Hooke's Law Introduction - Force of a Spring
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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: 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: Understanding Uniformly Accelerated Motion Category: Kinematics Date Added: 09 December 2014 - 02:05 PM Submitter: Flipping Physics Short Description: None Provided Students sometimes have a difficult time understanding what acceleration in meters per second squared really means. Therefore, I present acceleration as meters per second every second instead. This helps students gain a better conceptual understanding of acceleration. Content Times: 0:12 Acceleration is meters per second every second 1:22 The first demonstration 1:56 Finding the velocity at each second 3:18 Finding the position at each second 4:31 The second demonstration Multilingual? View Video
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Name: Introduction to Force Category: Dynamics Date Added: 2016-10-27 Submitter: Flipping Physics Defining Force. Including its dimensions, demonstrations of force and mass affecting acceleration, showing that a force is an interaction between two objects and contact vs. field forces. Content Times: 0:11 Defining force 0:56 Demonstrating how force and mass affect acceleration 2:15 Demonstrating why a force doesn’t necessarily cause acceleration 4:09 Force is a vector 4:23 A force is an interaction between to objects 4:56 Contact vs field forces 5:38 The force of gravity is a field force 6:19 Face and snow force interaction Want Lecture Notes? Multilingual? Please help translate Flipping Physics videos! Next Video: Introduction to the Force of Gravity and Gravitational Mass Previous Video: Introduction to Inertia and Inertial Mass 1¢/minute Introduction to Force