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 Βιβλία Βιβλία 121 - 130 από 186 για These are usually accounted six in number, viz. the Lever, the Wheel and Axle, the....
These are usually accounted six in number, viz. the Lever, the Wheel and Axle, the Pulley, the Inclined Plane, the Wedge, and the Screw.
A Practical Treatise on Arithmetic ...: Combining the Useful Properties of ... - Σελίδα 246
των George Leonard (jr.) - 1841 - 340 σελίδες
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## School Physics: A New Text-book for High Schools and Academies

Elroy McKendree Avery - 1895 - 608 σελίδες
...convert rapid motion into slow motion; eg, a crowbar. There are six simple ma- Fi °- 70 chines, — the lever, the wheel and axle, the pulley, the inclined plane, the wedge, and the screw. power signifies the magnitude of the force that acts upon one part of the machine...

## School Physics: A New Text-book for High Schools and Academies

Elroy McKendree Avery - 1895 - 608 σελίδες
...convert rapid motion into slow motion; eg, a crowbar. There are six simple ma- Fl °- 70 chines, — the lever, the wheel and axle, the pulley, the inclined plane, the wedge, and the screw. power signifies the magnitude of the force that acts upon one part of the machine...

## Object Lessons for Infants, Τόμος 3

Vincent T. Murché - 1896
...simple machines, can be grouped under six heads, and are spoken of as the mechanical powers. They are the lever, the wheel and axle, the pulley, the inclined plane, the wedge, and the screw. The lever, the pulley, and the inclined plane are the simplest of all, and are...

## Documents of the Assembly of the State of New York, Τόμος 120,Τεύχος 17

...other parts, and describing their habits. Give some knowledge of the principles and applications of the lever, the wheel and axle, the pulley, the inclined plane, the wedge, and the screw. Let the pupil study the principal races of men, their physical and mental characteristics,...

## Lee's Home and Business Instructor

1897 - 364 σελίδες
...of transferring forces from their natural point of action, to another point of application. They are the "lever." the wheel and axle, the pulley, the "inclined plane," the wedge, and the screw. In reality there are only two mechanical powers, for the pulley and wheel are...

## Teacher's Manual, Pt. 1-6, for The Prang Elementary Course in Art ..., Μέρος 6

...and appreciate the beautiful for its own sake.'' — SIR WVKE BAYLISS. Simple Machines. — There are six simple machines — the lever, the wheel and axle, the pulley, the inclined plane, the wedge, and the screw — which enter largely into all machinery. Familiar examples of the lever are...

## Coal and Metal Miners' Pocketbook of Principles, Rules, Formulas, and Tables ...

International Correspondence Schools - 1900 - 637 σελίδες
...treated, as all machinery, however complicated, is merely a combination of the six elementary forms, viz.: the lever, the wheel and axle, the pulley, the inclined plane, the wcdtjc, and the screw; and these six can be still further reduced to the lever and the inclined plane....

## The Mechanical Triumphs of the Ancient Egyptians

Francis Morgan Barber - 1900 - 123 σελίδες
...always in use. These methods consisted in various applications of the simple mechanical powers, ie, the lever, the wheel and axle, the pulley, the inclined plane, the wedge and the screw. Besides these the Romans knew of the power of torsion, or twisted rope, of shrinkage...

## XX Century Cyclopaedia and Atlas: Biography, History, Art, Science ..., Τόμος 5

...instruments or elements of which every machine, however complicated, must be constructed; they are the lever, the wheel and axle, the pulley, the inclined plane, the wedge, and the screw. See those terms. Mechanics, the term originally used to denote the general principles...

## A New Primary Dictionary of the English Language ...

Joseph Emerson Worcester - 1902 - 354 σελίδες
...artificer. He-£han'jc, \ a. Relating to mechanism Me-ihan'i-cal, / or mechanics. — Mechanical power», the lever, the wheel and axle, the pulley, the inclined plane, the wedge, and the screw, by means of which force is converted into motion or viceversa. Me-ehän'i-cal-lx,...