Class-book of Elementary Mechanics: An Introduction to Natural PhilosophyG. Philip & Son, 1882 |
From inside the book
Results 1-5 of 83
Page 1
... means of finding out something about the substances by which we are surrounded . These senses are termed sight , smell , taste , touch , and hearing . By the sense of sight , for example , we ascertain that the sun is bright , that ...
... means of finding out something about the substances by which we are surrounded . These senses are termed sight , smell , taste , touch , and hearing . By the sense of sight , for example , we ascertain that the sun is bright , that ...
Page 6
... means a little piece . And the same is the case with all other solids , and with liquids and gases . We may therefore make this general statement : -All bodies are built up of mole- cules . In the course of these lessons , we shall ...
... means a little piece . And the same is the case with all other solids , and with liquids and gases . We may therefore make this general statement : -All bodies are built up of mole- cules . In the course of these lessons , we shall ...
Page 8
... means composed of grains , or small rounded pieces . Sand- stone is a rock composed of grains of sand , and is therefore said to be granular . EXERCISES . 1. What is a crystal ? Name a number of common substances which are crystallised ...
... means composed of grains , or small rounded pieces . Sand- stone is a rock composed of grains of sand , and is therefore said to be granular . EXERCISES . 1. What is a crystal ? Name a number of common substances which are crystallised ...
Page 20
... means of a " straight edge , " or bar having its edge as perfectly straight as possible , laid on the board , the workman can ascertain whether any parts are above or below the general level of the surface . For if the edge of his bar ...
... means of a " straight edge , " or bar having its edge as perfectly straight as possible , laid on the board , the workman can ascertain whether any parts are above or below the general level of the surface . For if the edge of his bar ...
Page 22
... means of the finger or a weight , we may observe that the pressure is transmitted to every part of the ball . This is proved by the fact that the liquid will escape in any direction , -upwards , downwards , or sideways , - wherever ...
... means of the finger or a weight , we may observe that the pressure is transmitted to every part of the ball . This is proved by the fact that the liquid will escape in any direction , -upwards , downwards , or sideways , - wherever ...
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Other editions - View all
Class Book of Elementary Mechanics: An Introduction to Natural Philosophy William Hewitt No preview available - 2019 |
Class Book of Elementary Mechanics: An Introduction to Natural Philosophy William Hewitt No preview available - 2019 |
Common terms and phrases
action air pump amount applied arrangement ascertain balance ball bottle called centre of gravity cohesion compressed consider containing cord cubic cylinder direction distance earth effect elasticity engine equal equilibrium example EXERCISES exerted expand experiment Explain fall feet per second force acting force of gravity form of energy friction fulcrum gases glass greater heat inclined plane inertia kinetic energy law of motion length less LESSON lever liquid machine magnet magnitude mass matter means measure mechanical advantage mechanical energy mercury miles molecules move overcome parallelogram of forces passes pendulum piston portion position potential energy pound weight pressure produced properties pulley quantity raise resistance rest rises round screw side solid body specific gravity spring square inch steam stone straight line substances surface temperature transmitted tube tumbler vapour velocity vessel weight wheel and axle wood
Popular passages
Page 9 - Every body continues in its state of rest or of uniform motion in a straight line, except in so far as it may be compelled by impressed forces to change that state.
Page 36 - that every particle of matter in the universe attracts every other particle, with a force whose direction is that of the line joining the two, and whose magnitude is directly as the product of their masses, and inversely as the square of their distances from each other.
Page 71 - Being engaged lately in superintending the boring of cannon in the workshops of the military arsenal at Munich, I was struck with the very considerable degree of Heat which a brass gun acquires in a short time in being bored, and with the still more intense Heat (much greater than that of boiling water, as I found by experiment) of the metallic chips separated from it by the borer.