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Moment of Inertia
This nugget explains about rotational equivalents of mass and energy ,it describes the radius of gyration.
Flipping Physics
Eggs in a Carton Moment of Inertia Problem
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...
Flipping Physics
Rotational Equilibrium Introduction (and Static Equilibrium too!!)
An introduction to Rotational Equilibrium with a review of Translational Equilibrium and demonstrations. Wait there’s more … Static Equilibrium!
Flipping Physics
Demonstrating Rotational Inertia (or Moment of Inertia)
Thank you to Arbor Scientific for letting me borrow their Rotational Inertia Demonstrator to … uh … demonstrate rotational inertia.
National Science Foundation
Science of the Winter Olympic Games: Physics of Slope-Style Skiing
Many mechanical phenomena are explained by a physics professor using Nick Goepper, a Winter Olympics 2014 slope-style skier, as the model. Beginning with kinetic and potential energy, the professor goes on to explain angular momentum and...
National Science Foundation
National Science Foundation: Science of the Winter Olympics: Aerial Physics
In the sport of freestyle aerials, skiers are judged on their ability to perform complex jumps in the air. Emily Cook, a 12-year veteran of the U.S. Freestyle team, and Paul Doherty, a Senior Scientist at the Exploratorium in San...
Crash Course
Crash Course Physics #12: Torque
What is torque? This is one of those things that you may have heard about in passing but never really understood. In this video episode of Crash Course Physics, Shini sits down with us to discuss what torque is, how it works, why it...
National Science Foundation
National Science Foundation: Science of the Winter Olympics: Aerial Physics
Freestyle skiers use three basic twisting techniques to perform complex jumps in the air. These aerial maneuvers can be explained in terms of physics concepts. [4:00]
National Science Foundation
National Science Foundation: Science of the Winter Olympic Games: Physics of Slope Style Skiing
A scientist explains the physics of slope-style skiing, e.g., rotational motion, moment of inertia, angle of momentum, and friction. [4:58]
Khan Academy
Khan Academy: Rotational Version of Newton's Second Law
David explains moment of inertia and the rotational version of Newton's second law and shows how to solve an example problem. [13:56]