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Can a Helium Balloon Defy Physics?

Posted on December 12, 2011 by Dr. Joel Bryan

Watch this cool video and it almost seems like this balloon’s actions are counter-intuitive to everything we know about motion and inertia. Let Professor Joel Bryan from Ball State University explain what is really going on.

This post was posted in CoolStuff Newsletters, Pressure & Fluids and was tagged with gas laws, helium balloon, inertia
Tornado in a Bottle Inquiry

Posted on January 1, 2011 by Dr. Russell Harkay

We will use funnels, soda bottles, and a toy called a Tornado Tube to explore the concepts of moment of inertia, rotational motion, angular momentum, kinetic and potential energy, and air pressure in an attempt to discover and explain the physics of a rather complex hydrodynamic system.

This post was posted in Labs, Motion and was tagged with pressure, inertia, Tornado in a Bottle, Tornado Tube
Rotational Derby

Posted on January 1, 2011 by Arbor Scientific

Chapter 12 Lab #41: Students will roll round objects of various shapes and masses down an incline to observe how their rotational inertias affect their rate of rotation.

This post was posted in Conceptual Physics 4th Edition Lab Manual and was tagged with inertia, rotational derby, incline, rate of rotation
Going Nuts

Posted on January 1, 2011 by Arbor Scientific

Chapter 3 Lab #6:

Students will explore the concept of inertia.

1000ml Boiling Flask 6/pk

Product # 36-1004

$49.00

Embroidery Hoop

Product # PX-1025

$2.50

Nuts 1/4" 100/box

Product # PX-2064

$3.85

This post was posted in Conceptual Physics 4th Edition Lab Manual and was tagged with inertia, going nuts
The Firing Squad Demo... It's Physics!

Posted on November 1, 2010 by Stephen Rea

Every day we have to make choices. Sometimes these can be life changing. In the Firing Squad Demo the student you pick to be the target, will have to choose between two dart guns to be shot with!

This post was posted in CoolStuff Newsletters, Force & Motion and was tagged with mass, inertia, gravity, physics, Firing Squad, dart guns
Newton’s First Law: Supersized!

Posted on March 1, 2010 by Arbor Scientific

alileo theorized that in the absence of any other force, a moving object will continue to move. He called this resistance to changes in motion, inertia. Sir Isaac Newton later polished this concept – turning it into his first law, the Law of Inertia. From his Principia:Every object continues in a state of rest or of uniform speed in a straight line unless acted on by a nonzero net force.

This post was posted in CoolStuff Newsletters, Force & Motion and was tagged with inertia, Galileo, Newton's First Law, Supersized