impetus


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impetus

Physics the force that sets a body in motion or that tends to resist changes in a body's motion

impetus

The span of a building, roof, or arch.
References in classic literature ?
The only propelling force it ever exhibited, was the mere impetus acquired from the descent of the inclined plane ; and this impetus carried the machine farther when the vanes were at rest, than when they were in motion - a fact which sufficiently demonstrates their inutility ; and in the absence of the propelling, which was also the sustaining power, the whole fabric would necessarily descend.
He had backed me around so that I stood in front of the corpse of his fellow, and then he rushed me suddenly so that I was forced back upon it, and as my heel struck it the impetus of my body flung me backward across the dead man.
There is then in all persons a natural impetus to associate with each other in this manner, and he who first founded civil society was the cause of the greatest good; for as by the completion of it man is the most excellent of all living beings, so without law and justice he would be the worst of all, for nothing is so difficult to subdue as injustice in arms: but these arms man is born with, namely, prudence and valour, which he may apply to the most opposite purposes, for he who abuses them will be the most wicked, the most cruel, the most lustful, and most gluttonous being imaginable; for justice is a political virtue, by the rules of it the state is regulated, and these rules are the criterion of what is right.
She drew her hands from mine, and sat upright in the chair, looking at me with round eyes; but mine were dim; astonishment was all that I could read in her look, and on I went headlong, with growing impetus and passion.
Philander's center of equilibrium was at that very moment hanging upon the ragged edge of nothing, so that it needed but the gentle impetus supplied by the additional weight of Professor Porter's body to topple the devoted secretary from the limb.
Unexpected because Nastasia Philipovna, on her way to Pavlofsk, had thought and considered a good deal, and had expected something different, though perhaps not altogether good, from this interview; but Aglaya had been carried away by her own outburst, just as a rolling stone gathers impetus as it careers downhill, and could not restrain herself in the satisfaction of revenge.
The wheel continued to revolve by its own impetus, and Princess Mary long remembered the dying creak of that wheel, which merged in her memory with what followed.
Hilbery had been gathering impetus from her recollections, and was now in high spirits.
The impetus with which inclination became resolution was heightened by those little events of the day which had roused her discontent with the actual conditions of her life.
Already the craft was moving slowly toward the tower, carried thither by the impetus of the banth's heavy body leaping upon it from astern.
Now get out of here," and he grabbed Rokoff and Paulvitch each by the scruff of the neck and thrust them forcibly through the doorway, giving each an added impetus down the corridor with the toe of his boot.
As the impetus that carried Cherokee forward died down, he continued to go forward of his own volition, in a swift, bow-legged run.