 | Daniel Jaudon - Art and science - 1814 - 234 pages
...of the machine applied to the weight or resistance. Q. How many mechanic powers are there ? A. Six? the lever, the wheel and axle, the pulley, the inclined plane, the wedge, and the screw. Q. Please to describe each of them î A. The lerer is an inflexible bar, turning on я supportin»... | |
 | James Ferguson - Astronomy - 1814 - 420 pages
...machines, usually called media* The menical j)ower», are six in number,* viz. the le- chanic ver, the wheel and axle, the pulley, the inclined ' plane, the wedge, and the screw. They are * Some writers on mechanics exclude the inclined plane from the number of the mechanical powers,... | |
 | William Shepherd, Jeremiah Joyce, Lant Carpenter - Education - 1815 - 598 pages
...hundred different elementary works, the student goes on to the consideration of the mechanical powers, viz. the lever, the wheel and axle, the pulley, the inclined plane, the wedge, and the screw; since to these simple machines, all others, however complicated, may be reduced : we shall here describe... | |
 | James Wood - Mechanics - 1818 - 226 pages
...bodies, and by the combination of which, all machines, however complicated, are constructed. These powers are six in number, viz. the lever ; the wheel and...; the inclined plane ; the wedge ; and the screw. Before we enter upon a particular description of these instruments, and the calculation of their effects,... | |
 | Charles Hutton - Mathematics - 1822 - 680 pages
...resistances, than could be effected by the natural strength without them. These are usually accounted six in number, viz. the Lever, the Wheel and Axle,...Pulley, the Inclined Plane, the Wedge, and the Screw. THE LEVER. 16S 158 Mechanics, is the science of forces, and the effects they produce, when applied... | |
 | William Jillard Hort - 1822 - 308 pages
...POWERS.' The simple machines, or mechanical powers, arc usually accounted to be the six following : — the lever, the wheel and axle, the pulley, the inclined plane, the wedge, and the screw. A lever is an inflexible bar, or rod, moving freely round a point, called its fulcrum, or centre of... | |
 | Peter Nicholson - Mathematics - 1825 - 1046 pages
...bodies, and by the combination of which, all machines, however complicated, are constructed. These powers are six in number, viz. the lever, the wheel and axle,...pulley, the inclined plane, the wedge, and the screw. Before we enter upon a particular description of these instruments and the calculation of their effects,... | |
 | John Nicholson - Machinery - 1825 - 822 pages
...its origin solely to this cause. OF THE MECHANICAL POWERS. THE mechanical powers are six in number, the LEVER, the WHEEL and AXLE, the PULLEY, the INCLINED PLANE, the WEDGE, and the SCREW. A perfect knowledge and thorough appreciation of which should be clearly understood by those who purpose... | |
 | Jeremiah Joyce - Science - 1825 - 310 pages
...were in vain to expect you to comprehend the principles of mechanics. There are six mechanical powers. The lever; the wheel and axle ; the pulley ; the inclined plane; the wedge; and the screw. Emma. Why are they called mechanical powers ? Father. Because, by their means we are enabled mechanically... | |
 | Thomas Dick - Philosophy and religion - 1826 - 414 pages
...machines, the principles on which their energy depends ; the properties of the mechanical powers — the lever, the wheel and axle, the pulley, the inclined plane, the wedge and the screw — and the effects resulting from their various combinations. From the investigations of philosophers... | |
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Mechanical Powers, are certain simple instruments, commonly employed for raising greater weights, or overcoming greater resistances, than could be effected by the natural strength without them. These are usually accounted six in number, viz. the Lever,... 
