A College Text-book of PhysicsH. Holt, 1911 - 692 pages |
From inside the book
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Page 1
... reaching and more inclusive generalizations called laws . And when a given phenomenon is analyzed in this way into separate parts or phases each of which is but a special case under some general law , the phenomenon is said to be ...
... reaching and more inclusive generalizations called laws . And when a given phenomenon is analyzed in this way into separate parts or phases each of which is but a special case under some general law , the phenomenon is said to be ...
Page 2
... particular exhibitions of the general rule which holds whenever matter is set in motion , we feel that a still higher degree of understanding is reached . By such a process all the complex facts of nature 2 INTRODUCTION.
... particular exhibitions of the general rule which holds whenever matter is set in motion , we feel that a still higher degree of understanding is reached . By such a process all the complex facts of nature 2 INTRODUCTION.
Page 3
... reached beyond which the mind cannot go , because thinking is con- ditioned by experience , and even in its profoundest theories and speculations the mind must employ those conceptions which it has obtained from the world about it . 3 ...
... reached beyond which the mind cannot go , because thinking is con- ditioned by experience , and even in its profoundest theories and speculations the mind must employ those conceptions which it has obtained from the world about it . 3 ...
Page 25
... reached , when in breaking down it begins to move away from the weight at such a rate that the reaction which it exerts is at every instant exactly equal to the pressure to which it is subjected by the weight . For if a body moves away ...
... reached , when in breaking down it begins to move away from the weight at such a rate that the reaction which it exerts is at every instant exactly equal to the pressure to which it is subjected by the weight . For if a body moves away ...
Page 31
... reached through the study of some simple cases of equilibrium . That a body may be in equilibrium under two forces it is necessary that the two forces P and Q ( Fig . 19 ) should be equal and opposite in order to satisfy the condition ...
... reached through the study of some simple cases of equilibrium . That a body may be in equilibrium under two forces it is necessary that the two forces P and Q ( Fig . 19 ) should be equal and opposite in order to satisfy the condition ...
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Common terms and phrases
acceleration alternating current amount ampères angular armature axis ball beam body Boyle's law bulb calorimeter carbon cause cell centimeter circuit coil color condenser conductor connected constant copper cord crystal curve density diagram difference of potential direction disc discharge displacement distance dynes earth electric electrode electromotive force electroscope energy equal equilibrium flow focal length friction galvanometer gases glass gram heat induction iron J. J. Thomson lens Leyden jar light lines of force liquid magnetic field mass measured mercury metal mirror molecules moment of inertia motion moving needle negative number of lines parallel particles pass pipe placed plane plate polarized pole positive charge pressure prism radiation rays reflected refracted resistance right angles rotation shown in figure side sound spectrum substance surface temperature tones tube vapor velocity vessel vibration volts volume wave length weight wire zinc
Popular passages
Page 275 - It is hardly necessary to add that anything which any insulated body or system of bodies can continue to furnish without limitation cannot possibly be a material substance ; and it appears to me to be extremely difficult, if not quite impossible, to form any distinct idea of anything capable of being excited and communicated in the manner in which heat was excited and communicated in these experiments except it be motion.
Page 574 - When a ray of light passes from one medium to another, it is refracted so that the ratio of the sine of the angle of incidence to the sine of the angle of refraction is equal to the ratio of the velocities in the two media.
Page 103 - The squares of the periodic times of the planets are proportional to the cubes of their mean distances from the Sun.
Page 118 - Archimedes stated that a body immersed in a fluid is buoyed up by a force equal to the weight of the displaced fluid.
Page 165 - We conclude that equal volumes of different gases at the same temperature and pressure contain equal numbers of molecules.
Page 7 - The straight line or distance between the centres of the transverse lines in the two gold plugs in the bronze bar deposited in the Office of the Exchequer...
Page 272 - Hypothesis states that equal volumes of gases at the same temperature and pressure contain equal numbers of molecules.
Page 22 - Change of momentum is proportional to the force and to the time during which it acts, and is in the same direction as the force; (3) To every action there is an equal and opposite reaction.
Page 32 - ... the perpendicular distance from the axis to the line of action of Axis FIG.
Page 179 - Kelvin has shown that if a drop of water were magnified to the size of the earth the molecules of water would be of a size intermediate between that of a cricket ball and of a marble.