A College Text-book of PhysicsH. Holt, 1911 - 692 pages |
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Page 2
... depends only on the nearness of the earth is but a special instance under this law . Now , making allowance for the motion due to the earth , we seek to determine that part of the motion due to the initial blow , and here again we find ...
... depends only on the nearness of the earth is but a special instance under this law . Now , making allowance for the motion due to the earth , we seek to determine that part of the motion due to the initial blow , and here again we find ...
Page 17
... of force required to change the motion of a mass depends both on the mass and on the suddenness of the change . X - 19 If a weight rests on a sheet of paper on DYNAMICS 17 Fundamental Ideas and Definitions of Dynamics Inertia Mass and ...
... of force required to change the motion of a mass depends both on the mass and on the suddenness of the change . X - 19 If a weight rests on a sheet of paper on DYNAMICS 17 Fundamental Ideas and Definitions of Dynamics Inertia Mass and ...
Page 19
... depends only on the inertia of matter and is therefore absolutely invariable and well suited to be a standard force . Forces are therefore defined according to the third method . 34. Equal Forces . - Two forces are said to be equal when ...
... depends only on the inertia of matter and is therefore absolutely invariable and well suited to be a standard force . Forces are therefore defined according to the third method . 34. Equal Forces . - Two forces are said to be equal when ...
Page 23
... depends on the par- ticular units which are employed in measuring the various quantities concerned . In the above equations F represents the average value of the force during the time t in which the velocity of the mass has v - u t ...
... depends on the par- ticular units which are employed in measuring the various quantities concerned . In the above equations F represents the average value of the force during the time t in which the velocity of the mass has v - u t ...
Page 26
... depends on circumstances . For instance , in astronomy the sun and planets are treated as particles when their shapes and distribution of mass do not affect the question considered . 49. Equilibrium of a Particle . - A particle is FIG ...
... depends on circumstances . For instance , in astronomy the sun and planets are treated as particles when their shapes and distribution of mass do not affect the question considered . 49. Equilibrium of a Particle . - A particle is FIG ...
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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.