A Text-book of Physics |
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Common terms and phrases
acceleration alternating current angle assumed axis beam c. g. s. units called cell centimeter charged body circuit coil colors compressed condenser conductor copper curve cylinder density determined direction discharge distance disturbance effect electric electrode electrolyte electromotive force engine equal Equation evident example experiment flow force action given glass heat indicated induced electromotive force iron kinetic energy layer lens lines of force liquid magnetic field manner mass mechanical advantage mercury metal mirror molecules moment of inertia moving particles pass pipe piston placed plate pole portion position potential difference pressure prism quantity radiation radius rays refraction represented in Figure resistance rotating shown in Figure simple harmonic motion sound waves steam substance surface temperature tends thorium tion torque tube tuning fork uranium vapor velocity vessel vibrating wave length wave motion weight white light wire zinc zinc sulphate
Popular passages
Page 64 - The measure of the work done by a force is the product of the force and the distance through which it moves its point of application in the direction of the force.
Page 75 - These simple machines are the lever, the wheel and axle, the pulley, the inclined plane, the wedge, and the screw.
Page 37 - Newton's first law, which states that a body at rest tends to remain at rest, and a body in motion tends to remain in motion in a straight line at a constant speed, unless it is acted on by a force.
Page 477 - The admirable choice and distribution of experiments, the masterly character of the discussions, the ample scope of the work and its attractive typography and make-up, constitute it a welcome addition to the text-books of this division of physics.
Page 235 - The combined resistance of a number of lamps or other units connected in parallel is equal to the reciprocal of the sum of the reciprocals of the resistances of individual lamps.
Page 145 - The sum of the forces acting on a body is equal to the product of the mass of the body and the acceleration produced by the forces.
Page 72 - That is, the moment of inertia of a particle about a given axis is equal to the product of the mass of the particle and the square of its distance from the axis.
Page 178 - Thus, heat always flows spontaneously from a hotter to a colder body; gases always seep through an opening spontaneously from a region of high pressure to a region of low pressure; gases and liquids left by themselves always tend to mix, not to unmix.
Page 473 - ... sources have been made, so that every statement can be easily verified. It is thought that this will make this volume usful also as a reference book. An appendix has been added, containing the more important constants that are needed in electrochemical calculations. THE MACMILLAN COMPANY Publishers 64-66 Fifth Avenue New York Testing of Electro Magnetic Machinery and Other Apparatus BY BERNARD VICTOR SWENSON, EE, ME of the University of Wisconsin, and BUDD FRANKENFIELD, EE of the Nernst Lamp...
Page 75 - Hence, in the wheel, there is a mechanical advantage gained in overcoming the friction, in the ratio of the radius of the wheel to the radius of the axle.