free-fall

in mechanics, state of a body that moves freely in any manner in the presence of gravity. The planets, for example, are in free-fall in the ... [4 related articles]
Found on http://www.britannica.com/eb/a-z/f/59

Free-fall

[disambiguation] Free fall is the ability to achieve the sensation of weightlessness (for example to be falling freely in an atmosphere, or to be in zero-g). Free fall, Free-fall or Freefall may also refer to: ...
Found on http://en.wikipedia.org/wiki/Free-fall_(disambiguation)

Free-fall

The motion of any unpowered body moving in a gravitational field.
Found on http://www.braeunig.us/space/glossary.htm
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