Elements of Physics: Or Natural PhilosophyD. Appleton, 1887 - 873 páginas |
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Página 15
... heavy as thirteen and a half times the same quantity of water . 37. We commonly estimate the quantity of matter in a body by its specific gravity , or weight , compared with that of an equal bulk of some specific or standard substance ...
... heavy as thirteen and a half times the same quantity of water . 37. We commonly estimate the quantity of matter in a body by its specific gravity , or weight , compared with that of an equal bulk of some specific or standard substance ...
Página 19
... heavy as gold . Glaziers use a small point of diamond , formed by the natural edges of a crystal , as a knife for the cutting and shaping of glass . The piercing through hard rocks - such as was done in the recent 20 Brittleness ...
... heavy as gold . Glaziers use a small point of diamond , formed by the natural edges of a crystal , as a knife for the cutting and shaping of glass . The piercing through hard rocks - such as was done in the recent 20 Brittleness ...
Página 23
... heavy , that if a man fell , he had great difficulty in getting up again without assistance . " Malleable . " 59. The cohesive quality by which bodies allow of their being hammered into thin leaves or plates is termed malleability . In ...
... heavy , that if a man fell , he had great difficulty in getting up again without assistance . " Malleable . " 59. The cohesive quality by which bodies allow of their being hammered into thin leaves or plates is termed malleability . In ...
Página 28
... heavy mercury ; and , as in solids , an increase of heat sepa- rates the molecules and reduces the density . Distilled water is the usual standard of comparison for the specific gravities of liquids . If its density be called 1 , that ...
... heavy mercury ; and , as in solids , an increase of heat sepa- rates the molecules and reduces the density . Distilled water is the usual standard of comparison for the specific gravities of liquids . If its density be called 1 , that ...
Página 41
... heavy , being very clearly shown by means of Attwood's machine . A comprehensive summary of the laws of force or moving matter is given in NEWTON'S LAWS OF MOTION ; the first of which — viz . that a body free from external influence ...
... heavy , being very clearly shown by means of Attwood's machine . A comprehensive summary of the laws of force or moving matter is given in NEWTON'S LAWS OF MOTION ; the first of which — viz . that a body free from external influence ...
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Otras ediciones - Ver todas
Términos y frases comunes
action atmosphere atmospheric pressure axle balance ball balloon barometer beam blow body bottom bulk buoyancy called carbonic acid carriage cause centre of gravity centrifugal force chemical cohesion column common cork density diffusion direction distance earth effect elastic Energy equal fall feet float fluid friction gases glass gradually greater half heat heavy Hence horizontal hydrogen illustration inch inclined plane increase instance iron length less lever lift liquid machine mass matter mercury metal miles molecules momentum motion moving musical oxygen particles pass pendulum piston placed plane pound pound weight pressure principle produced proportion pulley quantity resistance rest rise rope round screw ship side simple machines solid sound space specific gravity stone string substance surface temperature tion tube turn uniform velocity velocity of sound vertical vessel vibrations waves weight wheel whole wind
Pasajes populares
Página 467 - ... will prevent the metal from running away, and in a few minutes it will cool and take the impression, without the slightest injury to the paper from which it was taken.
Página 799 - That the squares of the times of the revolutions of the planets are as the cubes of their mean distances from the sun.
Página 368 - When horses or mules march in company at night, those in front direct their ears forward...