Elementary Lessons in the Physics of Agriculture
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In our eReader you can find the full English version of the book. Read Elementary Lessons in the Physics of Agriculture 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 Elementary Lessons in the Physics of Agriculture
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per sq. in.
Wrought iron wire, annealed 30,000 to 60,000 " " " " Wrought iron wire, hard 50,000 to 100,000 « " « « Wrought iron wire ropes, per sq. ui. of rope C8,000 " " " " Le?,t}ier belts, 1,500 to 5,000, good 8,000 " " " " Rope, manUla, best 12,000 " " " " Rope, hemp, best , 15,000 " " " " 40 72. Transverse Strength of Elaterials.— When a board is placed upon edge and fixed at one end as represented at A, Fig. 19, a load acting at W puts the upper edge under a crushing stress.
V "We know fr...om experience that in case the board breaks under its load when so situated the fracture will occur some- where near 5-6. E^ow in order that this may take place, there must be, with white pine, according to 70, a tensile stress at the upper edge of ten thousand pounds to the square inch, and if the board is one inch thick the upper inch should resist a stress of ten thousand pounds at any point from 5 to 1 ; but we know that no such load will be carried at W. The reason for this, and also for its breaking at 5 rather than at any other point, is found in the fact that the load acts upon a lever arm whose length is the distance from the point of attachment of the load to the breaking point, wherever that may be, and this being true the greatest stress comes necessarily at 5.
What to read after Elementary Lessons in the Physics of Agriculture?
You can find similar books in the "Read Also" column, or choose other free books by King, F. H. (Franklin Hiram), 1848-1911 to read onlineMoreLess
To quickly assess the difficulty of the text, read a short excerpt:
per sq. in.
Wrought iron wire, annealed 30,000 to 60,000 " " " " Wrought iron wire, hard 50,000 to 100,000 « " « « Wrought iron wire ropes, per sq. ui. of rope C8,000 " " " " Le?,t}ier belts, 1,500 to 5,000, good 8,000 " " " " Rope, manUla, best 12,000 " " " " Rope, hemp, best , 15,000 " " " " 40 72. Transverse Strength of Elaterials.— When a board is placed upon edge and fixed at one end as represented at A, Fig. 19, a load acting at W puts the upper edge under a crushing stress.
V "We know fr...om experience that in case the board breaks under its load when so situated the fracture will occur some- where near 5-6. E^ow in order that this may take place, there must be, with white pine, according to 70, a tensile stress at the upper edge of ten thousand pounds to the square inch, and if the board is one inch thick the upper inch should resist a stress of ten thousand pounds at any point from 5 to 1 ; but we know that no such load will be carried at W. The reason for this, and also for its breaking at 5 rather than at any other point, is found in the fact that the load acts upon a lever arm whose length is the distance from the point of attachment of the load to the breaking point, wherever that may be, and this being true the greatest stress comes necessarily at 5.
What to read after Elementary Lessons in the Physics of Agriculture?
You can find similar books in the "Read Also" column, or choose other free books by King, F. H. (Franklin Hiram), 1848-1911 to read onlineMoreLess
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