http://www.ck12.org Chapter 4. Motion and Forces
FIGURE 4.65
Summary
- Bernoulli’s law states that the pressure of a moving fluid such as air is less when the fluid is moving faster.
- Bernoulli’s law explains how wings of airplanes and birds create lift and allow them to fly.
Vocabulary
- Bernoulli’s law: Law stating that pressure in a moving fluid is less when the fluid is moving faster.
Explore More
Use Bernoulli’s law to explain what you observe in the demonstrations at this URL:
http://www.youtube.com/watch?v=P-xNXrELCmU
MEDIA
Click image to the left for use the URL below.
URL: http://www.ck12.org/flx/render/embeddedobject/82419Review
- What is Bernoulli’s law?
- Explain how the wings of an airplane create lift that allows the plane to leave the ground.