Flipping Physics
Introduction to Conversions in Physics
The basics of doing conversions, why conversions work, conversions with squares and fractions. Includes several examples.
Flipping Physics
Uniformly Angularly Accelerated Motion Introduction
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...
Flipping Physics
(part 2 of 2) An Introductory Projectile Motion Problem with an Initial Horizontal Velocity
Now that we have dropped the ball into the bucket, we can determine the final velocity of the ball right before it strikes the bucket. Don't forget that velocity is a vector and has both magnitude and direction. Yep, component vector...
Flipping Physics
Conservation of Energy Problem with Friction, an Incline and a Spring by Billy
Billy helps you review Conservation of Mechanical Energy, springs, inclines, and uniformly accelerated motion all in one example problem.
Flipping Physics
g is Positive.
We draw a free body diagram and sum the forces on an object in projectile motion to prove the acceleration due to gravity, g, is positive. Want Lecture Notes? http://www.flippingphysics.com/g-is-p... This is an AP Physics 1 and an AP...
Flipping Physics
Introductory Conservation of Momentum Explosion Problem Demonstration
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.
Flipping Physics
(Torque Solution) Acceleration of a Wheel descending on a Rope
A rope is wrapped around a bicycle wheel with a rotational inertia of 0.68MR^2. The wheel is released from rest and allowed to descend without slipping as the rope unwinds from the wheel. In terms of g, determine the acceleration of the...
Flipping Physics
Creating Circular Motion from Sine and Cosine Curves
Demonstrating how sine and cosine simple harmonic motion waves can create circular motion.
Flipping Physics
How to Wear A Helmet - A PSA from Flipping Physics
Wearing a helmet is all about impulse, change in momentum and the force of impact. This video illustrates why you should secure your helmet to your head. Thank you very much to Colton and Jean Johnson who said yes when I asked them if I...
Flipping Physics
Dropping a Bucket of Water - Demonstration
Demonstrating the physics of dropping a bucket of water with two holes in it.
Flipping Physics
A "Show All Your Work!" Example
I demonstrate that the magnitude of the force normal and force of gravity acting on an object are not always the same, even though many students want to assume this is true. This is an example of where showing your work is incredibly...
Flipping Physics
Don't Drop Your Camera 5.0 Seconds After Liftoff
An advanced free-fall acceleration problem involving 2 parts and 2 objects. Problem: You are wearing your rocket pack (total mass = 75 kg) that accelerates you upward at a constant 10.5 m/s^2. While preparing to take pictures of the...
Flipping Physics
Introduction to Mechanical Energy with Friction
Learn how to use Mechanical Energy when the Work done by Friction does not equal zero.
Flipping Physics
Uniform Solid Cylinder Moment of Inertia Derivation
Deriving the integral equation for the moment of inertia or rotational inertia of a uniform solid cylinder.
Flipping Physics
Calculating Average Drag Force on an Accelerating Car using an Integral
A vehicle uniformly accelerates from rest to 3.0 x 10^1 km/hr in 9.25 seconds and 42 meters. Determine the average drag force acting on the vehicle.
Flipping Physics
2D Conservation of Momentum Example using Air Hockey Discs
A 28.8 g yellow air hockey disc elastically strikes a 26.9 g stationary red air hockey disc. If the velocity of the yellow disc before the collision is 33.6 cm/s in the x direction and after the collision it is 10.7 cm/s at an angle...
Flipping Physics
Introductory Static Friction on an Incline Problem
A book is resting on a board. One end of the board is slowly raised. The book starts to slide when the incline angle is 15°. What is the coefficient of static friction between the book and the incline?
Flipping Physics
Example Problem: Finding Average Speed for Pole Position – Not as easy as you may think
This video is an example problem that walks through finding the average speed for the last 2 laps of the 4 lap qualifier for the Indianapolis 500 assuming an average speed for the first 2 laps. It is actually more difficult than it...
Flipping Physics
Conservation of Charge Example Problems
Conservation of charge is defined. Two common example problems are solved. The common mistake of forgetting about charge conservation is shown. Excess number of charge carriers is determined.
Flipping Physics
Introductory Kinetic Friction on an Incline Problem
You place a book on a 14° incline and then let go of the book. If the book takes 2.05 seconds to travel 0.78 meters, what is the coefficient of kinetic friction between the book and the incline?
Flipping Physics
8 General Suggestions for the Free Response Questions of any AP Physics Exam
After 11 years of teaching AP Physics, going through countless old exams and grading an equally innumerable number of student solutions to Free Response Questions, here are my suggestions to help future students out. AP® is a registered...
Flipping Physics
AP Physics C: Simple Harmonic Motion Review (Mechanics)
Calculus 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...
Flipping Physics
Hooke's Law Introduction - Force of a Spring
Hooke’s law is demonstrated and graphed. Spring constant, displacement from equilibrium position, and restoring force are defined and demonstrated.
Flipping Physics
Determining the Spring Constant, k, with a Vertically Hanging Mass
Hooke’s law is demonstrated and graphed. Spring constant, displacement from equilibrium position, and restoring force are defined and demonstrated.