Give Now

A Moment of Science

Posts tagged force

June 4, 2012




If you can't name a politician who was also an active scientist, that doesn't mean they haven't been out there.

March 23, 2012


Keep your knives sharp so they cut better!

What’s So Special About A Sharp Knife?

Everyone knows that a sharp knife cuts better than a dull one, but do you know why, exactly?

December 21, 2010


The Physics Of Ramps: What Hits The Ground First?

Galileo's classic physics experiment looked at using a ramp!

December 20, 2010


If you drop a bowling ball and a golf ball off the Empire State Building they will hit the ground at the same time!

Which Hits The Ground First: A Golf Ball Or A Bowling Ball?

Yes, the classic physics question is visited again. A Moment of Science learns about mass and gravity.

February 27, 2009


The dye added to the water in this picture shows the whirlpool's shape

The Shape of a Whirlpool

A whirlpool is the result of two forces acting against each other.

December 5, 2008


The surface of frisbees are curved, allowing it to fly a longer distance in this park in Scotland

Why Frisbees Fly

With a gentle flick of the wrist on a warm summer day, you can launch a frisbee on a long and graceful flight. Why do they fly so well?

October 17, 2007


Helium Balloons

Helium balloons fly because they're lighter than air. As you walk through air, it's natural to think of air as weighing nothing, though that is not the case.

June 1, 2007


Levitating Frogs?

While it might take a unbelievable magnet to levitate a frog, there are magnetic forces in everything around us, including ourselves!

January 22, 2007


Frightening Flushes

Why do public toilets flush so much more forcefully than the ones at home?

January 23, 2006


Dancing in Air

A skydiver's body is in a delicate balance. Gravity tugs her downward with a constant, relentless force, while air resistance pushes her upward.

Next Page »

Stay Connected

What is RSS? RSS makes it possible to subscribe to a website's updates instead of visiting it by delivering new posts to your RSS reader automatically. Choose to receive some or all of the updates from A Moment of Science:

Support for Indiana Public Media Comes From

About A Moment of Science

Search A Moment of Science