Elements of Physics: Or Natural PhilosophyD. Appleton, 1887 - 873 páginas |
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Página 53
... piston - rod of the engine , and this in turn to move perhaps a score of waggons . 124. Moving matter , then , or matter in motion is the expression of force . Yet we may have force really existing unexpressed , possible , or potential ...
... piston - rod of the engine , and this in turn to move perhaps a score of waggons . 124. Moving matter , then , or matter in motion is the expression of force . Yet we may have force really existing unexpressed , possible , or potential ...
Página 70
... piston of the engine , exemplifies the same principle . Horses starting a carriage expend repeated efforts before its motion is equal to what theirs would be with those efforts , if de- tached from this addition to their mass . A man ...
... piston of the engine , exemplifies the same principle . Horses starting a carriage expend repeated efforts before its motion is equal to what theirs would be with those efforts , if de- tached from this addition to their mass . A man ...
Página 80
... piston ; or , on the other hand , if it move too slow , they collapse and allow this throttle - valve to open . Water in a vessel caused to spin round is , by centrifugal force , raised up all round against the sides of the vessel ...
... piston ; or , on the other hand , if it move too slow , they collapse and allow this throttle - valve to open . Water in a vessel caused to spin round is , by centrifugal force , raised up all round against the sides of the vessel ...
Página 141
... piston of a steam - engine are converted , by means of a heavy fly - wheel , into a steady rotatory motion . A heavy wheel is , moreover , often used as a concentrator of force or a mechanic power , in the sense that motion or momentum ...
... piston of a steam - engine are converted , by means of a heavy fly - wheel , into a steady rotatory motion . A heavy wheel is , moreover , often used as a concentrator of force or a mechanic power , in the sense that motion or momentum ...
Página 142
... piston of a steam - engine is made by means of a crank to turn the great fly - wheel , from which the motions of all the other parts are derived . The crank is the regular contrivance by means of which a series of interrupted straight ...
... piston of a steam - engine is made by means of a crank to turn the great fly - wheel , from which the motions of all the other parts are derived . The crank is the regular contrivance by means of which a series of interrupted straight ...
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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...