 | John E. Fuller - 1846 - 82 σελίδες
...raise, through a less space, a weight heavier than itself. Power is gained at the expense of space, by the lever, the wheel and axle, the pulley, the inclined plane, the wedge, and the screw. LEVER. Case 1. — When the fulcrum of the lever is between the power and the... | |
 | John Johnston - 1846 - 314 σελίδες
...with which we are accustomed to raise weights and overcome resistances. They are six in number, viz. the Lever, the Wheel and Axle, the Pulley, the Inclined Plane, the Wedge, Quest. 113. What are the mechanical powers? How many of them are there ? Does each one of these... | |
 | C. List - 1846 - 176 σελίδες
...the elements of which the compound are composed. They appear in six different forms, which are called the Lever, the Wheel and Axle, the Pulley, the Inclined Plane, the Wedge, and the Screw. These are called the Mechanical Powers. We should be careful not to adopt the... | |
 | W. M. Buchanan - 1846 - 768 σελίδες
...constitutes the science of mechanics. The mechanical powers are usually divided into six classes ; the lever, the wheel and axle, the pulley, the inclined plane, the wedge, and the screw ; but all these are reducible to two, the lever and the inclined plane Some, however,... | |
 | James Bates Thomson - 1847 - 432 σελίδες
...breadth 35 ft., and the depth 25 ft. ? MECHANICAL POWERS. 648. The Mecfianical powers are six, viz: the lever, the wheel and axle, the pulley, the inclined plane, the screw, and the wedge. 649. When the pmtxr and weight, act perpendicularly to the arms of a straight, lever, the power is... | |
 | 1847 - 292 σελίδες
...through all the points. MECHANICAL POWERS. The Mechanical Powers in common use are sjx in number ; the Lever, the Wheel and Axle, the Pulley, the Inclined Plane, the Wedge and the Screw. The Weight is the body to be moved ; the Power is the body that moves it ; and... | |
 | James Robinson (of Boston.) - 1847 - 304 σελίδες
...power, or to produce motion so as to save time or force. The mechanical powers are six in number, viz. : the Lever, the Wheel and Axle, the Pulley, the Inclined Plane, the Wedge, and the Screw. The weight signifies the body to be moved, or the resistance to be overcome ;... | |
 | Edward Cresy - 1847 - 912 σελίδες
...and the several machines described for defence, show a thorough acquaintance with the properties of the lever, the wheel and axle, the pulley, the inclined plane, the wedge, and the screw ; and Euclid's Elements, collected about 280 years before Christ, for the instruction... | |
 | James Bates Thomson - 1848 - 432 σελίδες
...breadth 35 ft., and the depth 25 ft. 1 MECHANICAL POWERS. G48. The Mechanical powers are six, viz: the lever, the wheel and axle, the pulley, the inclined plane, the screw, and the wedge. 649. When the pi.wer and weight act perpendicularly to the arms of a straight lexer, the power is to... | |
 | Miles M. Rodgers - 1848 - 306 σελίδες
...and beautiful pieces of machinery which have ever been constructed. These few elementaiy powers are, the lever, the wheel and axle, the pulley, the inclined plane, the wedge and the screw. The lever is a straight bar placed upon a supporting point called a fulcrum, with... | |
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These are usually accounted six in number, viz. the Lever, the Wheel and Axle, the Pulley, the Inclined Plane, the Wedge, and the Screw. 
