A Moment of Science

Posts tagged air resistance

February 14, 2014

 

A tabby cat walking through a yard

Humpty Dumpty Wasn’t A Cat

You may have seen a cat fall from a tree or high rooftop. Ever wonder how felines can survive such great falls?

February 15, 2011

 

sky_diver

How Do Skydivers Control Their Terminal Velocity?

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

February 14, 2011

 

Two men skydiving

The Physics Of Skydiving

Every skydiver experiences two different forces: the tug of gravity and the upward push of air resistance.

April 13, 2009

 

Meteor rock from space

Bombed from Space

As a meteor passes into Earth's atmosphere it experiences tremendous air resistance on its front end, but very little on its back end.

January 23, 2006

 

sky_diver

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.

December 1, 2005

 

Physics of the Fall

Skydiving has become an increasingly popular sport, although most of us haven’t yet taken the plunge and only enjoy it from the sidelines. If you’ve seen video of skydivers in action, especially skydiving teams that link up to create formations, you might wonder how they do it. It’s a matter of elementary physics. Learn more on this Moment of Science.

November 23, 2005

 

Falling Down

Here’s a physics classic. Suppose you drop a golf ball and a bowling ball from the Empire State Building. Which hits first? Answer? They hit at the same time. Learn more on this Moment of Science.

September 27, 2003

 

Hole in the Earth

Also, earth’s core is a metal sphere 800 miles wide, but just pretend we’ve bored through it. What would be the result? For one thing, you could then travel to the other side of the world in under one hour.

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