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Principles of Physics, Designed for Use as a Textbook of General Physics (Classic Reprint) - Tapa blanda
Sinopsis
Excerpt from Principles of Physics, Designed for Use as a Textbook of General Physics
When a man exerts his muscles in moving a body or in pushing or pulling a body which he cannot move, he is con scious of the exertion of force. In many cases, as when he bends a spring or sustains a weight, he interprets his sensa tion by saying, that the body against which he acts exerts a force in the opposite direction to the one which he is exerting and of equal magnitude. He further believes that the body, when in the same position or condition, is still exerting a force, even though he does not directly perceive the counter acting force. He thus feels willing to use bodies in certain conditions or positions as the means by which forces may be exerted.
When a body is sustained in the air by the hand, the force exerted by the hand, as is shown by universal experience, is directed vertically upwards. The force which the body is assumed to exert in the opposite direction or vertically down wards, is called its weight. Universal experience has shown that the weight of a body depends on its size and on the material of which it is composed. If different bodies com posed of the same material and of equal volume are tested by A the hand, or.in any other way, it is found that their weights are equal. Two of these bodies will have the same weight as a body of the same material and of a volume double that of either one of them. By suitable. Combinations of equal weights, any one of which is selected as a unit, a scale of forces can be constructed.
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Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com
This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.
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Excerpt from Principles of Physics, Designed for Use as a Textbook of General Physics
When a man exerts his muscles in moving a body or in pushing or pulling a body which he cannot move, he is con scious of the exertion of force. In many cases, as when he bends a spring or sustains a weight, he interprets his sensa tion by saying, that the body against which he acts exerts a force in the opposite direction to the one which he is exerting and of equal magnitude. He further believes that the body, when in the same position or condition, is still exerting a force, even though he does not directly perceive the counter acting force. He thus feels willing to use bodies in certain conditions or positions as the means by which forces may be exerted.
When a body is sustained in the air by the hand, the force exerted by the hand, as is shown by universal experience, is directed vertically upwards. The force which the body is assumed to exert in the opposite direction or vertically down wards, is called its weight. Universal experience has shown that the weight of a body depends on its size and on the material of which it is composed. If different bodies com posed of the same material and of equal volume are tested by A the hand, or.in any other way, it is found that their weights are equal. Two of these bodies will have the same weight as a body of the same material and of a volume double that of either one of them. By suitable. Combinations of equal weights, any one of which is selected as a unit, a scale of forces can be constructed.
About the Publisher
Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com
This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.
Reseña del editor
Excerpt from Principles of Physics, Designed for Use as a Textbook of General Physics
It also presents the subject in the way in which it can most easily be apprehended. The progress of discovery has been along the lines of least intellectual resistance, and it is probable that what was easiest to discover once will now be the easiest to understand. It further enables us to pursue the argument whereby a physical law is established, sometimes almost in the words, and generally along the course of thought, of its original discoverer, so that the mind is brought into intimate relationship with the great minds of the past, and experiences the intellectual exhilaration which such a relationship always brings with it.
A fairly faithful adherence to my plan has resulted in the necessary omission of many details of fact and theory which are commonly presented in textbooks of physics. For these the student must look to the course of experimental lectures or of laboratory practice, one or both of which should form part of a course of instruction in which this book is used.
To illustrate the principles discussed and to introduce many important theorems without breaking up too much the continuity of the argument, I have made use of the examples which are placed in groups in various parts of the book. With the same purpose, some of the demonstrations of theorems which are of first importance in themselves, but the formal demonstration of which is of secondary importance for the student, have been put in fine print.
The use of the historical outline accounts for what is nowadays the unusual order followed in the presentation of some of the subjects. It leads to a much fuller discussion of statics than is generally given, and to other peculiar features of the treatment, such as the use of the statical measure of force, the belated introduction of the relations of heat to energy, the use of the method of rays in geometrical optics, and to other minor divergences from common practice. In the alternative methods which are frequently employed, the true inductive order is either avoided or obscured, and the course of thought followed is neither natural nor that which would be followed by an investigator.
I have ventured to name the book Principles of Physics, not to make a claim that it presents a complete and critical study of the foundations of the subject, but to indicate the object which, however imperfectly, I have tried to attain, that is, the exposition of the principal physical laws and theories in the light of the arguments by which they were established.
About the Publisher
Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com
This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.
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Principles of Physics, Designed for Use as a Textbook of General Physics
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Paperback. Condición: New. Print on Demand. This book demystifies the subject of physics by presenting its fundamental laws and theories in an accessible and historically contextualized manner, showcasing how scientific reasoning was applied to uncover the principles governing our universe. The author guides readers through the development of physics from its early beginnings to more complex concepts, demonstrating how each step forward was based on logical reasoning and experimentation. The book's strength lies in its ability to make the often-complex subject of physics relatable and comprehensible to general readers, providing a deeper understanding of the scientific process and empowering them to engage with the wonders of the physical world around them. This book is a reproduction of an important historical work, digitally reconstructed using state-of-the-art technology to preserve the original format. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in the book. print-on-demand item. Nº de ref. del artículo: 9781330363249_0
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Principles of Physics, Designed for Use as a Textbook of General Physics (Classic Reprint)
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Forgotten Books, 2015
ISBN 10: 1330363248
ISBN 13: 9781330363249
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Condición: Sehr gut. Zustand: Sehr gut | Seiten: 356 | Sprache: Englisch | Produktart: Bücher | Keine Beschreibung verfügbar. Nº de ref. del artículo: 25716648/2
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