 | Charles Hutton - Astronomy - 1815 - 686 pages
...laws of motion. 1st LAW. Every body perseveres in its state of rest, or of uniform motion in a right line, unless it be compelled to change that state by forces impressed on it. — Thus, " Projectiles persevere in their motions, so far as they are not retarded by the resistance... | |
 | William Jillard Hort - 1822 - 308 pages
...commonly denominated Newton's laws of motion. First. Every body will remain in a state of rest, or of uniform motion in a straight line, unless it be...compelled to change that state, by forces impressed. Second. The change of motion is always VOL. i. x proportionate to the moving force impressed, and is... | |
 | Henry Kater, Dionysius Lardner - Mechanics - 1830 - 602 pages
...three propositions, which are called the " laws of motion." They are as follow : — I. " Every body must persevere in its state of rest, or of uniform...to change that state by forces impressed upon it." II. " Every change of motion must be proportional to the impressed force, and must be in the direction... | |
 | Industrial arts - 1836 - 498 pages
...the following words: — " Every body perseveres in a state of rest or of uniform motion in a right line, unless it be compelled to change that state by forces impressed thereon." This is fully corroborated by more recent writers. Dr. Young has the following remark on... | |
 | William Mullinger Higgins - Physics - 1838 - 532 pages
...circumstances of motion or rest mainly depend, in the three following propositioiu : — 1 . Every body must persevere in its state of rest, or of uniform...compelled to change that state by forces impressed upon it Motion in as naturally permanent as rest, and a body in motion would continue in motion for ever, if... | |
 | 1838 - 448 pages
...is — and it was Sir Isaac Newton who discovered it — that " every body must persevere m in slate of uniform motion in a straight line, unless it be compelled to change that direction by BOOM new force impressed upon it." That is to say, if yon once put a body in motion, it... | |
 | Chambers W. and R., ltd - 1842 - 744 pages
...matter, are laid down by Sir Isaac Newton in the following three propositions : — 1st, Every body must persevere in its state of rest, or of uniform...to change that state by forces impressed upon it. 2d, Every change of motion must be proportional to the impressed force, and must be in the direction... | |
 | William Chambers, Robert Chambers - Encyclopedias and dictionaries - 1842 - 938 pages
...matter, are laid down by Sir Isaac Newton in the following three propositions : — 1st, Every body must persevere in its state of rest, or of uniform motion in a straight line, unless it bo compelled to change that state by forces impressed upon it. 2d, Every change of motion must be proportional... | |
 | William Benjamin Carpenter - 1843 - 336 pages
...of the three laws of motion, which was stated by Newton in the following terras : — " Eeery body must persevere in its state of rest, or of uniform...or, in other words, that they have not the power of spontaneously putting themselves in motion, — is a fact with which every one is familiar. But it... | |
 | John Lee COMSTOCK (and HOBLYN (Richard Dennis)), John Lee COMSTOCK - 1846 - 506 pages
...force, and must be in the direction of that straight line in which the force is impressed. 1. Every body must persevere in its state of rest, or of uniform...to change that state by forces impressed upon it. Hence, in the language of philosophy, the power which communicates motion to a body, is called force.... | |
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Every body must persevere in its state of rest, or of uniform motion in a straight line, unless it be compelled to change that state by forces impressed upon it. 
