(noun) The acceleration of a body,relative to the freefall accelerationdue to anylocalgravitationalfield,expressedinmultiples of g0 (the meanaccelerationdue to gravityat the Earth's surface).
(noun) the force of gravity
Use "g-force" in a sentence
"If that's not enough, Under Armour provided some of this year's prospects with a William Gibson-tastic shirt called the E39, which transmits real-time g-force and breathing and heart-rate numbers."
"The plane started to lift, and the g-force pressed me back against the seat."
"My favorite part of this car is actually the performance-data display on the center LCD screen, a series of 11 configurable panels with graphical readouts for throttle position, brake force, yaw rate, front/rear torque distribution, steering angle, lateral, longitudinal and total g-force, among others."