Science Reference

Pressure

Pressure (symbol: p) is the force per unit area acting on a surface in a direction perpendicular to that surface.

Pressure is transmitted to solid boundaries or across arbitrary sections of fluid normal to these boundaries or sections at every point.

It is a fundamental parameter in thermodynamics and it is conjugate to volume..

For more information about the topic Pressure, read the full article at Wikipedia.org, or see the following related articles:

Note: This page refers to an article that is licensed under the GNU Free Documentation License. It uses material from the article Pressure at Wikipedia.org. See the Wikipedia copyright page for more details.

Search ScienceDaily

Number of stories in archives: 44,032

Find with keyword(s):
 
Enter a keyword or phrase to search ScienceDaily's archives for related news topics,
the latest news stories, reference articles, science videos, images, and books.
 

Science Video News


Lowering Blood Pressure: Drug Free

A new cell phone-sized implant can keep blood pressure in check from within the chest, just like a pacemaker controls heartbeats. When the device. ...  > full story

Breaking News

... from NewsDaily.com

In Other News ...

Copyright Reuters 2008. See Restrictions.

Free Subscriptions

... from ScienceDaily

Get the latest science news with our free email newsletters, updated daily and weekly. Or view hourly updated newsfeeds in your RSS reader:

Feedback

... we want to hear from you!

Tell us what you think of the new ScienceDaily -- we welcome both positive and negative comments. Have any problems using the site? Questions?
Post this page to your favorite social bookmarking site:
close
Include this item in your blog or web site:
close
Email this page's link to a friend or colleague:
close