Explore the core ideas that explain how the physical world works, from electricity to energy and motion.
This practical overview introduces essential concepts with clear explanations and real‑world examples. It surveys how heat, light, sound, and forces shape everyday phenomena, and it shows how scientists measure and reason about the physical world.
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Excerpt from A First Course in Physics
The course presented in this book, and in the List of Labora tory Experiments, which is published in a separate volume, has grown out of the actual needs of the elementary work in physics in the University of Chicago, particularly in the University High School of the School of Education and the affiliated secondary schools. Its most characteristic features have been on trial for three or four years in more than a score of different secondary schools in various parts of the country.
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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.
PEACTICAL PHYSICS
CHAPTER I
MEASUREMENT
Fundamental Units
1. Introductory. A certain amount of knowledge about familiar things comes to us all very early in life. We learn almost unconsciously, for example, that stones fall and balloons rise, that the teakettle stops boiling when removed from the fire, that telephone messages travel by electric currents, etc. The aim of the study of physics is to set us to thinking about how and why such things happen, and, to a less degree, to acquaint us with other happenings which we may not have noticed or heard of previously.
Most of our accurate knowledge about natural phenomena has been acquired through careful measurements. We can measure three fundamentally different kinds of quantities, - length, mass, and time, - and we shall find that all other measurements may be reduced to these three. Our first problem in physics is, then, to learn something about the units in terms of which all our physical knowledge is expressed.
2. The historic
Table of Contents
CHATTER PAGE; I MEASUREMENT 1; Fundamental Units Density; II PRESSURE IN LIQUIDS11; Liquid Pressure beneath a Free Surface Pascal's Law The Principle of Archimedes; III PRESSURE IN AIR26; Barometric Phenomena Compressibility and Expansibility of Air Pneumatic Appliances; IV MOLECULAR MOTIONS49; Kinetic Theory of Gases Molecular Motions in Liquids Molecular Motions in Solids; V FORCE AND MOTION57; Definition and Measurement of Force Composition and Resolution of Forces Gravitation Falling Bodies Newton's Laws; VI MOLECULAR FORCES90; Elasticity Capillary Phenomena Absorption of Gases; VII WORK AND MECHANICAL ENERGY105; Definition and Measurement of Work Work and the Pulley Work and the Lever The Principle of Work Power and Energy; VIII THERMOMETRY ; EXPANSION COEFFIC
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Paperback. Condición: New. Print on Demand. This book introduces physics to users by using everyday situations to investigate the hows and whys of the physical world. Expanding on the historic kinetic theory of gases, the author explores ideas about molecular motions and molecular forces in liquids, solids, and vapors. An in-depth examination of image formation replaces the traditional ray model with the concept of wave curvature. The text also presents the latest understanding of surface tension, electromagnetic induction, and the mechanics of tone production in wind instruments. By avoiding mathematical and mechanical details and focusing on explaining causal relationships, the author unlocks physics for a new generation of readers. 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: 9781440051890_0
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PAP. Condición: New. New Book. Shipped from UK. Established seller since 2000. Nº de ref. del artículo: LW-9781440051890
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Kartoniert / Broschiert. Condición: New. KlappentextrnrnExcerpt from A First Course in PhysicsThe course presented in this book, and in the List of Labora tory Experiments, which is published in a separate volume, has grown out of the actual needs of the elementary work in phys. Nº de ref. del artículo: 2148535827
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