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" The expenditure of force will in the first place, other circumstances being equal, be proportional to the weight of the hammer; it will, for example, be double when the weight of the hammer is doubled. But the action of the hammer depends not upon its... "
The Annual of Scientific Discovery, Or, Year-book of Facts in Science and Art - Page 121
1859
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The Annual of Scientific Discovery, Or, Year-book of Facts in Science and Art

1858 - 448 pages
...romantic, still, alas, I must leave the dark forest valley, the spark-emitting anvil, and the blact Cyclops wholly out of sight, and beg a moment's attention...greater effect than if it falls through only one foot. Ic is, however, clear that if the machine, with a certain expenditure of force, lifts the hammer a...
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The Correlation and Conservation of Forces: A Series of Expositions, by Prof ...

Edward Livingston Youmans, William Robert Grove - 1865 - 512 pages
...The expenditure of force will, in the first place, other circumstances being equal, be proportioned to the weight of the hammer ; it will, for example,...lifts the hammer a foot in height, the same amount of force must be expended to raise it a second foot in height. The work is therefore not only doubled...
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The Correlation and Conservation of Forces: A Series of Expositions, by Prof ...

Edward Livingston Youmans, William Robert Grove - 1865 - 500 pages
...The expenditure of force will, in the first place, other circumstances being equal, be proportioned to the weight of the hammer ; it will, for example,...effect than if it falls through only one foot. It js, however, clear that if the machine, with a certain expenditure of force, lifts the hammer a foot...
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The Correlation and conservation of forces

Edward Livingston Youmans - 1868 - 526 pages
...The expenditure of force will, in the first place, other circumstances being equal, be proportioned to the weight of the hammer ; it will, for example,...feet, it will produce a greater effect than if it fulls through only one foot. It is, however, clear that if the machine, with a certain expenditure...
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The Annual of Scientific Discovery, Or, Year-book of Facts in ..., Volume 9

1859 - 448 pages
...circumstances being equal, ' be proportional to the weight of the hammer ; it will, for example, bo double when the weight of the hammer is doubled. But...lifts the hammer a foot in height, the same amount of force must be expended to raise it a second foot in height. The work is therefore not only doubled...
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Popular lectures on scientific subjects, tr. by E. Atkinson. [1st], Volume 1

Hermann Ludwig F. von Helmholtz - 1873 - 424 pages
...during the rotation, lift the heavy hammer and permit it to fall again. The falling hammer belabours the mass of metal, which is introduced beneath it....lifts the hammer a foot in height, the same amount of force must be expended to raise it a second foot in height. The work is therefore not only doubled...
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Popular Lectures on Scientific Subjects

Hermann von Helmholtz - 1873 - 432 pages
...during the rotation, lift the heavy hammer and permit it to fall again. The falling hammer belabours the mass of metal, which is introduced beneath it....lifts the hammer a foot in height, the same amount of force must be expended to raise it a second foot in height. The work is therefore not only doubled...
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Popular Lectures on Scientific Subjects

Helmholtz - 1873 - 452 pages
...consists, in this case, in the lifting of the hammer, to do which the gravity of the latter must he overcome. The expenditure of force will in the first...lifts the hammer a foot in height, the same amount of force must be expended to raise it a second foot in height. The work is therefore not only doubled...
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The Correlation and Conservation of Forces: A Series of Exposition

Edward Livingston Youmans - 1876 - 484 pages
...The expenditure of force will, in the first place, other circumstances being equal, be proportioned to the weight of the hammer ; it will, for example,...however, clear that if the machine, with a certain expendi ture of force, lifts the hammer a foot in height, the same amount of force must be expended...
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Popular Lectures on Scientific Subjects

Hermann von Helmholtz - 1883 - 432 pages
...other circumstances being equal, be proportional to the weight of the hammer; it will, for example, bo double when the weight of the hammer is doubled. But the action of the hammer depends not \ipon its weight alone, but also upon the height from which it falls. If it falls through two feet,...
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