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.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
References in classic literature ?
The rope thus tightening on him in the sweep of the current, he was jerked under the surface, and under the surface he remained till his body struck against the bank and he was hauled out.
Hans snubbed the rope around the tree, and Buck and Thornton were jerked under the water.
Buck swung to the right, ending the movement in a plunge that took up the slack and with a sudden jerk arrested his one hundred and fifty pounds.
He scrambled to escape, but the ape-man gave the rope a tremendous jerk that pulled Taug from his perch, and a moment later, growling hideously, the ape hung head downward thirty feet above the ground.
And Michael went through the humiliating ordeal of being jerked erect on his hind legs by Johnny while Collins with the stick cracked him under the jaw and across the knees.
Another moment would have been too late; but I knew just the spot where to touch the off-leader; that blow under his right flank, and the sudden jerk I gave the rein, brought them round quite in rule, I must own myself.” *
“Thou jerk! thou recover thyself, Dickon!” he said; ‘but for that brave lad yonder, thou and thy horses, or rather mine, would have been dashed to pieces—but where is Monsieur Le Quoi?”
In the mean while, Richard continued watching the negro as he fastened buckle after buckle, until, stealing a look of consciousness toward the other, he continued: “Now, if that young man who was in your sleigh is a real Connecticut settler, he will be telling everybody how he saved my horses, when, if he had let them alone for half a minute longer, I would have brought them in much better, without upsetting, with the whip amid rein—it spoils a horse to give him his heal, I should not wonder if I had to sell the whole team, just for that one jerk he gave them,” Richard paused and hemmed; for his conscience smote him a little for censuring a man who had just saved his life.
As these were probably the last of that animal they would meet with, they encamped on the grassy banks of the river, determined to spend several days in hunting, so as to be able to jerk sufficient meat to supply them until they should reach the waters of the Columbia, where they trusted to find fish enough for their support.
Mukhorty lifted his head and then gave a sudden jerk.
I can trust his word and I can trust his work; he is gentle and clever with the horses, and I would rather have them in charge with him than with half the young fellows I know of in laced hats and liveries; and whoever wants a character of James Howard," said John, with a decided jerk of his head, "let them come to John Manly."
There was a jerk, and the slave hung dangling; dangling and hideously squirming, for his limbs were not tied.