jerk
- noun
- /dʒɜrk/
- Specialized
- There was no myoclonic jerk.
Examples
-
Mrs. Bummel reaches into his lap for the handkerchief, and he stifles a jerk of surprise.
Fiction book (1994) -
In physics, the jerk quantifies how quickly acceleration changes over time.
-
From there on, I can continue and compute the jerk in exactly the same way.
-
The security man gave an involuntary jerk as his entire nervous system went into temporary spasm.
Fiction book (1991) -
One flaw: abrupt driving, some jerks, slightly uncomfortable.
-
The MiG swoops past Air Force One and jerks into a vertical climb.
Fiction book (1997) -
Lunge feeding events were detected as peaks in jerk (i.e., differential of acceleration) for DTAG records 52.
Academic text (2018) -
To analyze the motion, we must calculate the jerk to understand the changing forces at play.
-
The formula allows scientists to compute the jerk, giving insight into dynamic changes in motion.
Compounds
- Specialized
A weightlifting move where you lift a heavy bar to your shoulders then push it above your head
- Specialized
A sudden automatic kick of the lower leg when the tendon below the kneecap is tapped
How Abrupt
Surface Forms
Etymology
Engineers borrowed the everyday word jerk because a sudden change in motion feels like a quick 'jolt', so in physics jerk means the rate at which acceleration changes.