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" To find the weight that will be supported by a known amount of power, the position of the fulcrum being given : Multiply the distance between the power and the fulcrum by the power, and divide the product by the distance between the fulcrum and the weight. "
Appletons' Cyclopædia of Drawing: Designed as a Text-book for the Mechanic ... - Σελίδα 111
επεξεργασία από - 1857 - 410 σελίδες
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Adcock's Syllabus of a Course of Eight Lectures on Mechanical Philosophy, etc

Henry Adcock - 1832 - 100 σελίδες
...weight in equilibrium. EXAMPLE. Weight to be raised 42 cwt. Power to be applied 6 cwt. Hence, 42 -f- 6 = 7, The distance from the power to the fulcrum,...times greater than from the fulcrum to the weight. For T of length = f of weight = 36 cwt.—Fulcrum. $ of length = } of weight = 6 cwt.—Power. CASE...

Rules and Data for the Steam-engine, Both Stationary and Locomotive, and for ...

Henry Adcock - 1839 - 96 σελίδες
...support the weight in equilibrium. Weight to be raised 42 cwt. Power to be applied 6 cwt Hence, 42 -f- 6 = 7, The distance from the power to the fulcrum,...times greater than from the fulcrum to the weight. For 7 of length = f of weight = 36 cwt. — Fulcrum. ? of length = } of weight = 6 cwt. — Power....

Rules and Data for the Steam-engine, Both Stationary and Locomotive; and for ...

Henry Adcock - 1839 - 96 σελίδες
...weight in equilibrium. . EXAMPLE. Weight to be raised 42 cwt. Power to be applied 6 cwt. Hence, 42 -f- 6 = 7, The distance from the power to the fulcrum,...times greater than from the fulcrum to the weight. For \ of length = ® of weight = 36 cwt. — Fulcrum. 7 of length = } of weight = 6 cwt. — Power....

The Millwright and Engineer's Pocket Companion

William Templeton - 1846 - 518 σελίδες
...effective weight of the lever, multiply the remainder by the distance between the fulcrum and the valve, divide the product by the distance between the fulcrum and the weight, and the quotient is the weight in Ibs. required to be placed upon the lever at that distance. 2. —...

The Mechanic's, Machinist's, and Engineer's Practical Book of Reference ...

Charles Haslett - 1855 - 482 σελίδες
...effective weight of the lever, multiply the remainder by the distance between the fulcrum and the valve, and divide the product by the distance between the fulcrum and the weight, and 'tile quotlenVis''-^ weight' in Ibk rfequii-'e^l to be placed upon the lever at that distance....

Mechanics and Engineers Book of Reference and Engineers Field Book

Charles W. Hackley - 1856 - 530 σελίδες
...effective weight of the lever, multiply the remainder by the distance between the fulcrum and the valve, and divide the product by the distance between the fulcrum and the •weight, and the quotient is the weight in Ibs. required to be placed | upon the lever at that distance. I 2....

The Mechanic's, Machinist's, and Engineer's Practical Book of Reference ...

Charles Haslett - 1855 - 544 σελίδες
...effective weight of the lever, multiply the remainder by the distance between the fulcrum and the valve, and divide the product by the distance between the fulcrum and the weight, and the quotient is the weight in Ib*. required to be placed upon the lever at that distance. 2. When...

APPLETONS' CYCLOPAEDIA OF DRAWING

W.E. WORTHEN - 1857 - 600 σελίδες
...the weight in equilibrium. Weight to be supported, 42 cwt.; power to be applied, 6 cwt. Hence, 42 ~ 6 '== 7. The distance from the power to the fulcrum,...the power and the fulcrum by the power, and divide tjie product by the distance between the fulcrum and the weight. A bar 10 feet long is arranged as...

The Mechanic's, Machinist's, and Engineer's Practical Book of Reference

Charles Haslett, Charles William Hackley - 1859 - 574 σελίδες
...effective weight of the lever, multiply the remainder by the distance between the fulcrum and the valve, and ! divide the product by the distance between the fulcrum and the the quotient will give the difference of leverage necessary to support the weight in equilibrio. Hence,...

English Mechanic and World of Science: With which are Incorporated ..., Τόμος 37

1883 - 652 σελίδες
...effective weight of the lever ; multiply the remainder by the distance between the fulcrum and the valve, divide the product by the distance between the fulcrum and the weight, and the quotient is the weight in pounds required to be placed upon the lever at that distance.—...




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