Flipping Physics
A Common Misconception about Newton's Thrid Law Force Pairs (or Action-Reaction Pairs)
Proof that the Force Normal and the Force of Gravity are not a Newton’s Third Law Force Pair.
Flipping Physics
Angular Momentum of a Rigid Object with Shape Introduction
The equation for #AngularMomentum of #RigidObjects with shape is introduced and a simple example of angular momentum is solved for.
Flipping Physics
Walking Position, Velocity and Acceleration as a Function of Time Graphs
This lesson builds on what we learned about position as a function of time graphs. We start with velocity as a function of time graphs, determine what the motion would look like and then draw position and acceleration as a function of...
Flipping Physics
Demonstrating How Helmets Affect Impulse and Impact Force
Demonstrating and measuring how a helmet changes impulse, impact force and change in time during a collision.
Flipping Physics
Demonstrating Position, Velocity, and Acceleration of a Mass-Spring System
A “live” demonstration of of collecting position, velocity, and acceleration of a vertical mass-spring system.
Flipping Physics
AP Physics C: Dynamics Review (Mechanics) - Newton's 3 Laws, Friction, Equilibrium
Calculus based review of Newton’s three laws, basic forces in dynamics such as the force of gravity, force normal, force of tension, force applied, force of friction, free body diagrams, translational equilibrium, the drag or resistive...
Flipping Physics
Altitude of Geostationary Orbit (a special case of Geosynchronous Orbit)
Calculate the altitude of a satellite in geostationary orbit which is an orbit with the same 24 hour period as the Earth and always located directly over the same location on the equator. Geostationary orbit is a special case of...
Flipping Physics
AP Physics C: Rotational Dynamics Review - 2 of 2 (Mechanics)
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...
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
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
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
(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
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
(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
Dropping a Bucket of Water - Demonstration
Demonstrating the physics of dropping a bucket of water with two holes in it.
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
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...