Elements of Physics: Or Natural PhilosophyD. Appleton, 1887 - 873 páginas |
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Página 7
... stone we say it falls down by its weight ; and a person on the opposite side of the globe would say the same , though there the stone really falls up , if here it falls down . People in New Zealand stand with their feet against ours ...
... stone we say it falls down by its weight ; and a person on the opposite side of the globe would say the same , though there the stone really falls up , if here it falls down . People in New Zealand stand with their feet against ours ...
Página 8
... stone out of a sling . In every case , however , we must remember that the pulling is mutual ; the moon exerts the same pull on the earth that the earth does on it ; only the earth being so much the larger is comparatively but little ...
... stone out of a sling . In every case , however , we must remember that the pulling is mutual ; the moon exerts the same pull on the earth that the earth does on it ; only the earth being so much the larger is comparatively but little ...
Página 14
... stone , and be hidden away among the pores without increasing the bulk . Chalk is said to absorb as much as a third of its own bulk of water . A kind of agate stone , called hydrophane , is opaque until wetted , when its pores get ...
... stone , and be hidden away among the pores without increasing the bulk . Chalk is said to absorb as much as a third of its own bulk of water . A kind of agate stone , called hydrophane , is opaque until wetted , when its pores get ...
Página 15
... stone . Thus it was with the boat of a whale - fishing ship which had been dragged far under water by a whale when being afterwards drawn up by the rope of a harpoon , it was supposed to be bringing a piece of rock with it . 35 ...
... stone . Thus it was with the boat of a whale - fishing ship which had been dragged far under water by a whale when being afterwards drawn up by the rope of a harpoon , it was supposed to be bringing a piece of rock with it . 35 ...
Página 16
... stone , about 2 ; wood , from to 1 ; cork , ; and so on . 39. Density must depend , first on the weights of the individual molecules , and secondly , on their degree of approximation , i.e. on the number which are packed within a given ...
... stone , about 2 ; wood , from to 1 ; cork , ; and so on . 39. Density must depend , first on the weights of the individual molecules , and secondly , on their degree of approximation , i.e. on the number which are packed within a given ...
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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...