Physics
Physics
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In our eReader you can find the full English version of the book. Read Physics Online - link to read the book on full screen. Our eReader also allows you to upload and read Pdf, Txt, ePub and fb2 books. In the Mini eReder on the page below you can quickly view all pages of the book - Read Book Physics
What reading level is Physics book?
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I shall now place on the bed-plate of the air-pump a jar which is covered at its top by a piece of india-rubber tied tightly round the rim. I now exhaust the jar as before, and find that as I withdraw the air from the inside of the jar, the outside air trying to force itself into the void space presses down the india-rubber cover, and per- haps, before the experiment is over, the pressure may be great enough to burst the india-rubber.
30 Weight of Air. — You thus see that air will force itself ...into any space that is empty, if it possibly can, and indeed we have the greatest difficulty in emptying all the air out of any vessel. We can, however, take out the greater part of the air which fills a vessel.
In fig. 14, for instance, is a vessel which we can attach to the air-pump, and by this means deprive it of air, and it will be found that the vessel full of air weighs heavier than the vessel empty, or, in other words, air has weight.
Experiment 27. — Let us now attach a 1: uc box bottom downwards to one of the arms of the balance, and ascertain its weight* Fig ' I4# This weight may be said to be that of the box filled with atmospheric air.
What to read after Physics?
You can find similar books in the "Read Also" column, or choose other free books by Balfour Stewart to read onlineMoreLess
To quickly assess the difficulty of the text, read a short excerpt:
I shall now place on the bed-plate of the air-pump a jar which is covered at its top by a piece of india-rubber tied tightly round the rim. I now exhaust the jar as before, and find that as I withdraw the air from the inside of the jar, the outside air trying to force itself into the void space presses down the india-rubber cover, and per- haps, before the experiment is over, the pressure may be great enough to burst the india-rubber.
30 Weight of Air. — You thus see that air will force itself ...into any space that is empty, if it possibly can, and indeed we have the greatest difficulty in emptying all the air out of any vessel. We can, however, take out the greater part of the air which fills a vessel.
In fig. 14, for instance, is a vessel which we can attach to the air-pump, and by this means deprive it of air, and it will be found that the vessel full of air weighs heavier than the vessel empty, or, in other words, air has weight.
Experiment 27. — Let us now attach a 1: uc box bottom downwards to one of the arms of the balance, and ascertain its weight* Fig ' I4# This weight may be said to be that of the box filled with atmospheric air.
What to read after Physics?
You can find similar books in the "Read Also" column, or choose other free books by Balfour Stewart to read onlineMoreLess
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