![]() In physics, simple harmonic vibration model is used to analyze and calculate vibration acceleration. The G-force of vibration keeps changing its value between the max positive value and the max negative value in each vibration cycle. ![]() In each cycle the velocity changes from zero to maximum, maximum to zero and repeats in reverse direction: v = ωDcos(ωt). The higher the G-force, the higher the influence the vibration plate can put on human body. For example, that a rocket moves up on a 2G acceleration during the launch means its acceleration is 2 times of the acceleration of gravity.įor a vibration plate, G-force is an important indicator of vibration intensity. For a precise definition, G-force is an acceleration ratio that is related to the acceleration of gravity. G-force is calculated as acceleration in m/s 2 divided by G (9.81 m/s 2). When it is related to acceleration's influence to human body, G-force is usually adopted to express acceleration so that its magnitude can be convenient comprehended, because on earth we experience the acceleration of gravity(G) all day long. G is referred to as the acceleration of gravity, which equals 9.81m/s 2 at the sea level.Īcceleration of an object is defined as the rate of its velocity change (Δv) in a given period of time (Δt).Īcceleration is commonly expressed using the unit m/s 2. G-force is an acceleration expressed using G as the unit. So called G-force, it is actually not a force. ![]() FAQ > G-force Vibration G-force Definition and Calculation
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