g-force
Sign in to savethumb|In straight and level flight, lift (L) equals weight (W). In a steady level banked turn of 60°, lift equals double the weight (L = 2W). The pilot experiences 2 g and a doubled weight. The steeper the bank, the greater the g-forces. thumb|This Top Fuel dragster can accelerate from zero to in 0.86 seconds. This is a horizontal acceleration of 5.3 g. Combining this with the vertical g-force in the stationary case using the [[Pythagorean theorem yields a g-force of 5.4 g.]]
Article
13 sectionsContents
- Unit and measurement
- Acceleration and forces
- Human tolerance
- Vertical
- Horizontal
- Short duration shock, impact, and jerk
- Other biological responses
- Different typical examples
- Measurement using an accelerometer
- See also
- Notes and references
- Further reading
- External links
thumb|In straight and level flight, lift (L) equals weight (W). In a steady level banked turn of 60°, lift equals double the weight (L = 2W). The pilot experiences 2 g and a doubled weight. The steeper the bank, the greater the g-forces. thumb|This Top Fuel dragster can accelerate from zero to in 0.86 seconds. This is a horizontal acceleration of 5.3 g. Combining this with the vertical g-force in the stationary case using the [[Pythagorean theorem yields a g-force of 5.4 g.]]
The g-force or gravitational force equivalent is a mass-specific force (force per unit mass), expressed in units of standard gravity (symbol g or g0, not to be confused with "g", the symbol for grams). It is used for sustained accelerations that cause a perception of weight. For example, an object at rest on Earth's surface is subject to 1 g, equaling the conventional value of gravitational acceleration on Earth, about . More transient acceleration, accompanied with significant jerk, is called shock.