Force (F)

Definitions

• The energy applied to an object that attempts to cause the object to change its direction, speed, or motion. In aerodynamics, it is expressed as F, T (thrust), L (lift), W (weight), or D (drag), usually in pounds.
• A push or pull that tends to change the velocity or direction of a body’s motion.

References

• Airplane Flying Handbook, Federal Aviation Administration, 2021
• Parachute Rigger Handbook, Federal Aviation Administration, 2015
• Weight-Shift Control Aircraft Flying Handbook, Federal Aviation Administration, 2008