A Text book of Elementary Mechanics for the Use of Colleges And Schools
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In our eReader you can find the full English version of the book. Read A Text book of Elementary Mechanics for the Use of Colleges And Schools 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 A Text book of Elementary Mechanics for the Use of Colleges And Schools
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213 It is seen here that The final mechanical advantage is equal to the product of the several values for each successive lever. This principle is true not only for levers in combination, but in general for any compound machine.
p In determining the ratio of -rr^ for a compound ma- chine on the principle of work, it is to be noted that the essential point is to know the distances through which P and W act. If these can be determined, their in- verse ratio gives the ratio required, and the inter...mediate steps in the machine are of no importance.
201. The principle of the compound levers finds an important application in the scales used for weighing very heavy objects, as, for example, hay-scales, or rail- road scales for cars loaded with coal (say 10 tons each). By a combination of a series of levers, and at the same time by the suitable distribution of the weight brought on the platform, this being supported at a number of points, very heavy weights may be determined with all desirable accuracy.
What to read after A Text book of Elementary Mechanics for the Use of Colleges And Schools?
You can find similar books in the "Read Also" column, or choose other free books by Edward Salisbury Dana to read onlineMoreLess
To quickly assess the difficulty of the text, read a short excerpt:
213 It is seen here that The final mechanical advantage is equal to the product of the several values for each successive lever. This principle is true not only for levers in combination, but in general for any compound machine.
p In determining the ratio of -rr^ for a compound ma- chine on the principle of work, it is to be noted that the essential point is to know the distances through which P and W act. If these can be determined, their in- verse ratio gives the ratio required, and the inter...mediate steps in the machine are of no importance.
201. The principle of the compound levers finds an important application in the scales used for weighing very heavy objects, as, for example, hay-scales, or rail- road scales for cars loaded with coal (say 10 tons each). By a combination of a series of levers, and at the same time by the suitable distribution of the weight brought on the platform, this being supported at a number of points, very heavy weights may be determined with all desirable accuracy.
What to read after A Text book of Elementary Mechanics for the Use of Colleges And Schools?
You can find similar books in the "Read Also" column, or choose other free books by Edward Salisbury Dana to read onlineMoreLess
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