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The g-force acting on a stationary object resting on the Earth's surface is 1 g (upwards) and results from the resisting reaction of the Earth's surface bearing upwards equal to an acceleration of 1 g, and is equal and opposite to gravity. The number 1 is approximate, depending on location.
Zero-G (where the net vertical G-force is 0) is achieved when the downward acceleration of the train is equal to that due to gravity; where the downward acceleration is greater, negative Gs arise. [citation needed] The zero-gravity roll is a roll specifically designed to create the effect of weightlessness and thereby produce air time.
The 20 g centrifuge at the NASA Ames Research Center. High-g training is done by aviators and astronauts who are subject to high levels of acceleration ('g'). It is designed to prevent a g-induced loss of consciousness (g-LOC), a situation when the action of g-forces moves the blood away from the brain to the extent that consciousness is lost.
In ice hockey, the plus–minus measures a player's goal differential. When a team that is at even-strength or shorthanded scores a goal, all players on the ice on the scoring team will register a plus while all players on the conceding team on the ice will register a minus. When a goal is scored by a team on the power play, no plus or minus ...
In aeronautics, the load factor is the ratio of the lift of an aircraft to its weight [1][2]: § 5.22 and represents a global measure of the stress ("load") to which the structure of the aircraft is subjected: where. is the weight. Since the load factor is the ratio of two forces, it is dimensionless. However, its units are traditionally ...
Redout. A redout occurs when the body experiences a negative g-force sufficient to cause a blood flow from the lower parts of the body to the head. It is the inverse effect of a greyout, where blood flows away from the head to the lower parts of the body. Usually, a redout will only ever be experienced by pilots, as planes are the most common ...
Handicap (or score) differentials are a feature of many handicapping systems. They are a standardized measure of a golfers performance, adjusted to take account of the course being played. Normally the overall score will be adjusted prior to the calculation, e.g. by means of ESC or net double bogey.
g-LOC. g-force induced loss of consciousness (abbreviated as G-LOC, pronounced "JEE-lock") is a term generally used in aerospace physiology to describe a loss of consciousness occurring from excessive and sustained g-forces draining blood away from the brain causing cerebral hypoxia. The condition is most likely to affect pilots of high ...