The Philosophy of the Inductive Sciences: Founded Upon Their History, Τόμος 1J. W. Parker, 1847 |
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Σελίδα xx
... Motion . Gravity is a Uniform Force . The Second Law of Motion . 5. The Third Law of Motion . 6. Action and Reaction in Moving Bodies . 7. D'Alembert's Principle . 8. Connexion of Statics and Dynamics . 9. Mechanical Principles grow ...
... Motion . Gravity is a Uniform Force . The Second Law of Motion . 5. The Third Law of Motion . 6. Action and Reaction in Moving Bodies . 7. D'Alembert's Principle . 8. Connexion of Statics and Dynamics . 9. Mechanical Principles grow ...
Σελίδα 61
... reaction is equal and opposite to action , is as necessarily true as that two straight lines cannot inclose a space ; it is as impossible theoretically to make a perpetual motion by mere mechanism as to make the diagonal of a square ...
... reaction is equal and opposite to action , is as necessarily true as that two straight lines cannot inclose a space ; it is as impossible theoretically to make a perpetual motion by mere mechanism as to make the diagonal of a square ...
Σελίδα 72
... Action and Reaction , and the like . And hence these Ideas are Fundamental Ideas ; and since they are thus the foundations , not only of demonstration but of truth , an examination into their real import and nature is of the greatest ...
... Action and Reaction , and the like . And hence these Ideas are Fundamental Ideas ; and since they are thus the foundations , not only of demonstration but of truth , an examination into their real import and nature is of the greatest ...
Σελίδα 170
... Reaction is equal and opposite to Action . These maxims we shall soon have to examine ; but we may observe here , that the necessary truth which belongs to them , shows that they , and the Ideas which they involve , are not the mere ...
... Reaction is equal and opposite to Action . These maxims we shall soon have to examine ; but we may observe here , that the necessary truth which belongs to them , shows that they , and the Ideas which they involve , are not the mere ...
Σελίδα 175
... reaction is equal and opposite to action , both when one body presses another , and when one body communicates mo- tion to another . All reasoners join in the assertion , not only that every observed change of motion has had a cause ...
... reaction is equal and opposite to action , both when one body presses another , and when one body communicates mo- tion to another . All reasoners join in the assertion , not only that every observed change of motion has had a cause ...
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Άλλες εκδόσεις - Προβολή όλων
Συχνά εμφανιζόμενοι όροι και φράσεις
action and reaction affinity already appears applied apprehended Aristotle assertion assume astronomy Atomic Theory atoms attraction axioms Axioms of Geometry bodies CHAPTER character chemical chemical affinity chemical decomposition chemical elements colour combination conceive conception connexion considered crystals definition depend Descartes distinct doctrine effect electricity elements equal Euclid's Elements existence experience express facts faculty figure fluid force fundamental geometry gravity heat hypothesis Idea of Cause idea of space inclined plane instance involve kind knowledge laws of motion magnetic manner mathematical mathematicians matter means measure mechanical Mechanical Sciences mind Mineralogy mode nature necessary truths Newton objects observation obtained particles peculiar perceive perception phenomena philosophy phlogiston plane polarity position principles produced properties propositions qualities quantity reasoning reference relations of space result retina rhombohedral rience says seen sensations sense solid speculations statical straight line substance suppose symmetry term theory things tion true velocity vision weight
Δημοφιλή αποσπάσματα
Σελίδα 278 - Secondly, such qualities which in truth are nothing in the objects themselves but powers to produce various sensations in us by their primary qualities, ie by the bulk, figure, texture, and motion of their insensible parts, as colours, sounds, tastes, &c.
Σελίδα 384 - Have not the small particles of bodies certain powers, virtues, or forces by which they act at a distance, not only upon the rays of light for reflecting, refracting, and inflecting them, but also upon one another for producing a great part of the phenomena of nature?
Σελίδα 429 - All these things being considered, it seems probable to me that God, in the beginning, formed matter in solid, massy, hard, impenetrable, moveable particles, of such sizes and figures, and with such other properties, and in such proportions to space, as most conduced to the end for which He formed them...
Σελίδα 429 - ... even so very hard as never to wear or break in pieces, no ordinary power being able to divide what God himself made one in the first creation.
Σελίδα 52 - Words convey the mental treasures of one period to the generations that follow ; and laden with this, their precious freight, they sail safely across gulfs of time in which empires have suffered shipwreck, and the languages of common life have sunk into oblivion.
Σελίδα 19 - Parallelograms upon the same base and between the same parallels, are equal to one another.
Σελίδα 429 - While the particles continue entire, they may compose bodies of one and the same nature and texture in all ages: but should they wear away, or break in pieces, the nature of things, depending on them, would be changed.
Σελίδα 278 - Qualities thus considered in bodies are, first, such as are utterly inseparable from the body, in what estate soever it be ; such as in all the alterations and changes it suffers, all the force can be used upon it, it constantly keeps; and such as sense constantly finds in every particle of matter which has bulk enough to be perceived, and the mind finds inseparable from every particle of matter, though less than to make itself singly be perceived by our senses...
Σελίδα 42 - knows that there is a mask of theory over the whole face of " nature, if it be theory to infer more than we see. But other •' men, unaware of this masquerade, hold it to be a fact that " they see cubes and spheres, spacious apartments and winding " avenues. And these things are facts to them, because they " are unconscious of the mental operation by which they have " penetrated nature's disguise2".
Σελίδα 419 - ... that dephlogisticated or pure air is composed of water deprived of its phlogiston and united to elementary heat and light...