Encyclopaedia Perthensis; Or Universal Dictionary of the Arts, Sciences, Literature, &c. Intended to Supersede the Use of Other Books of Reference, Band 16John Brown, 1816 |
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Seite 41
... proportional to the efficacy of the caufe that propagates it from the centre , through the fpaces round about . 7. The accelerative quantity of a centripetal force is the measure of the fame , proportional to the velocity which it ...
... proportional to the efficacy of the caufe that propagates it from the centre , through the fpaces round about . 7. The accelerative quantity of a centripetal force is the measure of the fame , proportional to the velocity which it ...
Seite 44
... proportional to its caufe . Mr Young , who feems fond of de- tecting the errors of Newton , finds fault indeed with the expreffions in which the law is ftated ; but he owns , that if thus expreffed , The alteration of motion is proportional ...
... proportional to its caufe . Mr Young , who feems fond of de- tecting the errors of Newton , finds fault indeed with the expreffions in which the law is ftated ; but he owns , that if thus expreffed , The alteration of motion is proportional ...
Seite 45
... proportional to their maffes , and that their power of overcoming refiftance is proportional to their momenta ? -It ... proportion of the one to the other , doth not vary , yet the dif- ference between them perpetually becomes lefs , as ...
... proportional to their maffes , and that their power of overcoming refiftance is proportional to their momenta ? -It ... proportion of the one to the other , doth not vary , yet the dif- ference between them perpetually becomes lefs , as ...
Seite 46
... proportion before , the quantities have vanished , is not the ultimate , and , when they are vanished , is none ... proportional to the times in which they are defcribed . - For , suppose the time to be divided into equal parts , and in ...
... proportion before , the quantities have vanished , is not the ultimate , and , when they are vanished , is none ... proportional to the times in which they are defcribed . - For , suppose the time to be divided into equal parts , and in ...
Seite 47
... proportional to the times of defcription , will , in this cafe alfo , be propor- tional to those times Q. E. D. COR . 1. The velocity of a body attracted to- wards an immoveable centre , in spaces void of re- fiftances , is reciprocally ...
... proportional to the times of defcription , will , in this cafe alfo , be propor- tional to those times Q. E. D. COR . 1. The velocity of a body attracted to- wards an immoveable centre , in spaces void of re- fiftances , is reciprocally ...
Häufige Begriffe und Wortgruppen
againſt alfo almoft alſo ancient angle angle of incidence appear becauſe Bocchus body brafs cafe called caufe cauſe centre coaft coins colour confequently confiderable confifts defcribed denarius difcovered diftance Dr Hooke Dryden equal faid fame fays feems feen fent feveral fhadow fhall fhould fide filver fince firft firſt fituated fize fmall focus fome fometimes foon fquare ftate ftill ftone fubftance fubject fuch fuppofed furface Gallienus glafs glaſs himſelf houſe incident rays increaſe inftrument interfection iſland itſelf Jugurtha king laft lefs light likewife meaſure medals miles SW moft moſt motion muft muſt Norway Numidia obferved object occafion oppofite paffing parallel perfon prefent prifm purpoſe reafon reflected refraction reft retina rifes river Roman Ruffia ſeveral Shak ſmall ſpace teleſcope thefe themſelves theſe thofe thoſe tion town of France town of Sweden uſed whofe
Beliebte Passagen
Seite 86 - Farewell! a long farewell, to all my greatness! This is the state of man: today he puts forth The tender leaves of hope; tomorrow blossoms, And bears his blushing honours thick upon him; The third day comes a frost, a killing frost, And when he thinks, good easy man, full surely His greatness is a-ripening, nips his root, And then he falls, as I do.
Seite 44 - The change of motion is proportional to the motive force impressed ; and is made in the direction of the right line in which that force is impressed.
Seite 43 - 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.
Seite 149 - Vice, for vice is necessary to be shewn, should always disgust.} nor should the graces of gaiety, or the dignity of courage, be so united with it as to reconcile it to the mind. Wherever it appears, it should raise hatred by the malignity of its practices, and contempt by the meanness of its stratagems ; for while it is supported by either parts or spirit, it will be seldom heartily abhorred.
Seite 296 - When any one heareth the word of the kingdom, and understandeth it not, then cometh the wicked one, and catcheth away that which was sown in his heart.
Seite 52 - ... an equal reaction; therefore the planet B will, on the other hand, gravitate towards all the parts of the planet A; and its gravity towards any one part will be to the gravity towards the whole as the matter of the part to the matter of the whole. QED Cor.
Seite 149 - The purpose of these writings is surely not only to show mankind, but to provide that they may be seen hereafter with less hazard ; to teach the means of avoiding the snares which are laid by TREACHERY for INNOCENCE, without infusing any wish for that superiority...
Seite 41 - Absolute, true, and mathematical time, of itself, and from its own nature, flows equably without relation to anything external, and by another name is called duration: relative, apparent, and common time, is some sensible and external (whether accurate or unequable) measure of duration by the means of motion, which is commonly used instead of true time; such as an hour, a day, a month, a year.
Seite 42 - The effects which distinguish absolute from relative motion are the forces of receding from the axis of circular motion. For there are no such forces in a circular motion purely relative, but in a true and absolute circular motion they are greater or less, according to the quantity of the motion.
Seite 149 - If the world be promiscuously described, I cannot see of what use it can be to read the account; or why it may not be as safe to turn the eye immediately upon mankind, as upon a mirror which shows all that presents itself without discrimination.