Elements of Physics: Or Natural PhilosophyD. Appleton, 1887 - 873 páginas |
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Página 7
... hence they are called our antipodes . Weight therefore is merely the pulling or attraction of the earth on bodies at its surface , and is the conjoint effect of the gravitating power of all the parts which compose our globe . It acts as ...
... hence they are called our antipodes . Weight therefore is merely the pulling or attraction of the earth on bodies at its surface , and is the conjoint effect of the gravitating power of all the parts which compose our globe . It acts as ...
Página 13
... Hence it is that , as a general rule , increase of heat expands bodies and lessens their internal cohesion . 29. Cohesion and heat or heat - motion , then , are the two antago- nists in nature , on whose relations the physical condition ...
... Hence it is that , as a general rule , increase of heat expands bodies and lessens their internal cohesion . 29. Cohesion and heat or heat - motion , then , are the two antago- nists in nature , on whose relations the physical condition ...
Página 16
... hence chemists take this gas as the unit of reference , to avoid fractions as far as possible in the expression of specific gravities of gases and vapours . Secondly , density must depend on the temperature , for whatever affects the ...
... hence chemists take this gas as the unit of reference , to avoid fractions as far as possible in the expression of specific gravities of gases and vapours . Secondly , density must depend on the temperature , for whatever affects the ...
Página 29
... Hence the use of a projecting lip , that the quan- tity approaching the edge at one time may be a small stream , and its adhesion for the glass less difficult to overcome than that of a broad sheet of liquid . In pouring clean mercury ...
... Hence the use of a projecting lip , that the quan- tity approaching the edge at one time may be a small stream , and its adhesion for the glass less difficult to overcome than that of a broad sheet of liquid . In pouring clean mercury ...
Página 49
... Hence , we see that the boat will not be out of the line A C for the smallest conceivable instant . In other words , the true course of the boat will be seen to be along a C. 115. Nor is it necessary that the one motion be right across ...
... Hence , we see that the boat will not be out of the line A C for the smallest conceivable instant . In other words , the true course of the boat will be seen to be along a C. 115. Nor is it necessary that the one motion be right across ...
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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...