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Flipping Physics
Which Will Be First? (Rolling Down an Incline)
A hollow sphere, solid sphere, and thin hoop are simultaneously released from rest at the top of an #incline. Which will reach the bottom first? Assume all objects are of uniform density. #RollingWithoutSlipping
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.
Flipping Physics
Rotational Form of Newton's Second Law - Introduction
A very basic introduction to the rotational form of Newton’s Second Law of Motion by way of its translational form.
Flipping Physics
What are the Equations for Kinetic Energy and Angular Momentum of a Point Particle Moving in a Circle?
When a point particle is moving along a circle, should we use the translational or rotational kinetic energy equation? Should we use the point particle or rigid object with shape equation for angular momentum? The equations are also...
Bozeman Science
Bozeman Science: Rotational Inertia
In the following video Paul Andersen explains how the angular momentum of an object if a product of the rotational inertia and the angular velocity. The rotational inertia depends on the mass, radius and shape of the rotating objects. A...
Sophia Learning
Sophia: Calculating Rotational Inertia
A screencast tutorial which demonstrates how to figure the rotational inertia of an object. [3:15]
Sophia Learning
Sophia: Components of Rotational Inertia
A video screencast demonstrating how the rotational inertia of an object depends on its mass and axis of rotation. [2:22]
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]
Khan Academy
Khan Academy: More on Moment of Inertia
In this video David explains more about what moment of inertia means, as well as giving the moments of inertia for commonly shaped objects. [14:58]
Sophia Learning
Sophia: Forms of Rotational Inertia
This lesson provides mathematical relationships for the rotational inertia of some commonly used objects.
Sophia Learning
Sophia: Practice W/ Rotational Inertia
This lesson provides the learner with example problems on calculating the rotational inertia of some commonly encountered objects.
Sophia Learning
Sophia: Rotational Inertia & Newton's First Law of Motion
This lesson explains how Newton's first law of motion and rotational inertia are related.