Cool Videos

Can the Frictional Force Between Two Interleaved Phone Books Lift A Car?
Can the Frictional Force Between Two Interleaved Phone Books Lift A Car?

Students often underestimate the force of friction, despite the fact that friction is the force that acts every day to bring their school buses and cars to a stop. In this video, two phone books are interwoven page- by-page and...

The Amazing Water Slide Human Projectile
Fact or Fiction?? The Amazing Water Slide: How it was done Last week we shared a video clip of a man in a neoprene wetsuit sliding down a water slide, hitting a ramp, and then flying 115 feet through the...
Vector Addition Demo
Vector Addition Demo
A truck is traveling 60mph, a baseball shoots out of the back at 60mph. Do you really expect the ball to drop straight down?
Newton’s First Law: Supersized!
Newton’s First Law: Supersized!
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,...