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free fall
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free fall
motion of a body being acted on only by gravity (Physics); part of a parachute jump before the parachute opens
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Free fall
In Newtonian physics, free fall is any motion of a body where gravity is the only force acting upon it. In the context of general relativity, where gravitation is reduced to a space-time curvature, a body in free fall has no force acting on it and moves along a geodesic. The present article only concerns itself with free fall in the Newtonian domain.
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| WordNet 2.0 | Download this dictionary |
free fall
Noun
1. the ideal falling motion of something subject only to a gravitational field
(hypernym) drop, fall
2. a sudden sharp decrease in some quantity; "a drop of 57 points on the Dow Jones index"; "there was a drop in pressure in the pulmonary artery"; "a dip in prices"; "when that became known the price of their stock went into free fall"
(synonym) drop, dip, fall
(hypernym) decrease, decrement
(hyponym) correction
| NATO AAP6 (2004) | Download this dictionary |
free fall
A parachute manoeuvre in which the parachute is opened, either manually or automatically, at a predetermined altitude. See also free drop. 1/3/71
saut en commandé
Manoeuvre de parachute au cours de laquelle celui-ci est ouvert, soit par commande manuelle, soit automatiquement, à une altitude prédéterminée. Voir aussi largage en chute libre. 1/3/71
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free fall
