 | Thomas Taylor - Philosophy, Ancient - 1812 - 622 pages
...first axiom, therefore, or law of motion, is false ; viz. " That every body perseveres in its state of rest, or of uniform motion in a right line, unless...to change that state by forces impressed upon it." For, on the contrary, if a body is moved in a direction contrary to its natural tendency, it endeavours... | |
 | John Mason Good - 1813 - 830 pages
...ur laws of motion, 1. Every body perseveres in its state of rest, or of uniform motion in a riglit line, unless it is compelled to change that state by forces impressed upon it. 2. The alteration of motion is ever proportional to the motive force impressed ; and is made in the... | |
 | Charles Hutton - Astronomy - 1815 - 686 pages
...in more free spaces, preserve their motions, both progressive and circular, for a much longer time." 2d LAW. The Alteration of motion is always proportional to the motive force impressed ; and is made in the direction of the right line in which that force is impressed. Thus, if any force generate... | |
 | Encyclopedias and dictionaries - 1816 - 778 pages
...this, he lays down the following axioms or laws of motion. i. EVERY BODY PERSEVERES IN ITS STATE OF REST, OR OF UNIFORM MOTION IN A RIGHT LINE, UNLESS...TO CHANGE THAT STATE BY FORCES IMPRESSED UPON IT. — Sir Ifaac's proof of this axiom is as follows : " Projectiles perfevere in their motions, fo far... | |
 | Thomas Keith - Astronomy - 1819 - 380 pages
...a given tiiue. GENERAL LAWS OF MOTION. LAW I.—" Every body perseveres in its state of rest, " or uniform motion in a right line, unless it is " compelled to change that state by forces impressed " thereon."—Newton's Princip. Book I. Thus, when a body A is positively . x at rest, if no external... | |
 | Thomas Keith - 1821 - 408 pages
...LAWS OF MOTION. LAW I. " Every body perseveres in its state of rest, or uni"form motion in a straight line, unless it is compelled to " change that state by forces impressed thereon.' — Newton's Princip. Book I. * Thus, when a body A is positively at rest, if no external... | |
 | Thomas Curtis (of Grove house sch, Islington) - 438 pages
...he lays down the following axioms or laws of motion. 1 . Every body perseveres in its ttate of rett, or of uniform motion in a right line, unless it is compelled to change that ttate by forces impressed upon it. — Sir Isaac's proof of this axiom is as follows: — * Projectiles... | |
 | Encyclopaedia Americana - 1831 - 610 pages
...purpose, and they are here quoted in the language of Newton. I. " Every body perseveres in its state of rest, or of uniform motion in a right line, unless...compelled to change that state by forces impressed thereon." This is called the law of inertia, and expresses the entire indifference of matter to motion... | |
 | 1838 - 490 pages
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Every body continues in its state of rest, or of uniform motion in a right line, unless it is compelled to change that state by forces impressed upon it. 
