jerk

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jerk

[jərk]
(mechanics)
The rate of change of acceleration; it is the third derivative of position with respect to time.
A unit of rate of change of acceleration, equal to 1 foot (30.48 centimeters) per second squared per second.
References in periodicals archive ?
With good friends Dev (Gavron) and Thom (Yoo), Nick (Cera) is the bass guitarist and the only straight member of queercore band The Jerk Offs.
Nick (Michael Cera) is the bass guitarist and the only straight member of a queercore band called The Jerk Offs.
Michael Cera is Nick, a bass guitarist with The Jerk Offs.