The Chautauqua Course in PhysicsChautauqua Press, 1889 - 326 páginas |
Otras ediciones - Ver todas
Términos y frases comunes
acid angle angle of incidence Archimedes armature attraction ball battery becomes body called centrifugal force charge circuit coil color condensed conductor consists copper cord cylinder direction distance earth elastic electricity electro-magnet energy equal expansion experiment fall feet filled force friction galvanometer gases glass gravity gridiron pendulum gutta-percha heat heat-rays hence inch inclined plane insulated iron length lens lever Leyden jar light liquid machine magnet mass matter mercury metal mirror molecules motion motor move needle north pole object particles passes pendulum piston placed plate polarized pole positive pressure produced rays reflected refracted revolve screw shown in Fig side solid sound space spark specific gravity spectrum spring square steam substance sulphuric acid surface temperature tion tube vacuum vapor velocity vessel vibrations Voss machine waves weight wheel wire zinc
Pasajes populares
Página 309 - The law of all mechanics is — The power multiplied by the distance through which it moves, is equal to the weight multiplied by the distance through which it moves. Thus 1 Ib.
Página 247 - Spirits, at the same time, are to be fired by a spark sent from side to side through the river without any other conductor than the water ; an experiment which we some time since performed to the amazement of many.
Página 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.
Página 311 - Mariotte's law, is inversely proportional to its volume, and this is inversely proportional to the pressure upon the air ; both heat and pressure increasing the elasticity of a gas. The air, like other fluids, transmits the weight of its own particles, as well as any outside pressure, equally in every direction ; hence the upward pressure or buoyant force of the atmosphere. A balloon rises because it is buoyed up by a force equal to the weight of the air it displaces. It floats in the air for the...