First Lines of Natural Philosophy, Divested of Mathematical Formulae: Being a Practical and Lucid Introduction to the Study of the Science : Designed for the Use of Schools and Academies, and for Readers Generally who Have Not Been Trained to the Study of the Exact Sciences, and Those who Wish to Enter Understandingly Upon the Study of the Mixed Sciences |
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First Lines of Natural Philosophy, Divested of Mathematical Formulae: Being ... Reynell Coates No preview available - 2015 |
First Lines of Natural Philosophy, Divested of Mathematical Formulae: Being ... Reynell Coates No preview available - 2018 |
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action angle appear applied atmosphere attraction balance ball becomes body bottom bulk called carried cause centre of gravity circle common continue curve descend describe direction distance drawn earth effect elastic equal exactly experiment extremity fall figure fluid force former four give glass greater hence inch inclined increased length less lever light liquid machine manner matter means measure mechanical meet metal molecules momentum motion moving nature nearly object opposite parallel particles passing perpendicular placed plane portion position pounds pressure prevent produced proportional quantity raised rays reach reflected relative remains rendered represented resistance rest result revolve rise scale side similar solid space straight substance supported suppose surface tion tube upward velocity vessel waves weight wheel whole
Popular passages
Page 11 - A plane rectilineal angle is the inclination of two straight lines to one another, which meet together, but are not in the same straight line.
Page 109 - The lever, the pulley, the wheel, and axle, the inclined plane, the wedge, and the screw.
Page 11 - Straight lines which are parallel to the same straight line are parallel to one another. Triangles and Rectilinear Figures. The sum of the angles of a triangle is equal to two right angles.
Page 23 - This index of refraction is still more materially affected when a body passes from the solid to the liquid, or from the liquid to the gaseous condition...
Page 83 - ... the angle of reflection is always equal to the angle of incidence, the image for any point can be seen only in the reflected ray prolonged.
Page 225 - ... the ratio between the sine of the angle of incidence and the sine of the angle of refraction is a constant, depending only upon the nature of the two media.
Page 217 - The disciples of Plato contributed not a little to the advancement of optics, by the important discovery they made, that light emits itself in straight lines, and that the angle of incidence is always equal to the angle of reflection. Plato terms colours " the effect of light transmitted from bodies, the small particles of which were adapted to the organ of sight.
Page 155 - Archimedes," runs to the following effect : — " Every body plunged into a liquid loses a portion of its weight equal to the weight of the fluid which it displaces.
Page 60 - ... foot. HERE, by Mechanics, the force of gravity being to the force down the plane, as the length of the plane is to its height, therefore as 20 : 1 : : 1 (the force of gravity) : •£, ==/, the force on the plane.
Page 120 - In the inclined plane an equilibrium is produced when the power is to the weight as the height of the plane is to the length of its...