 | Richard Wormell - 1876 - 282 σελίδες
...it acts. The terms work and energy supply what is required. 54. Definition of Work. — A force does work when its point of application moves in the direction of the force ; and the work done is measured by the product of the magnitude of the force and the distance through... | |
 | Richard Wormell - 1877 - 192 σελίδες
...and in the centimetregramme-second system the weight of a gramme is 980. § 2. Work. — A force does work when its point of application moves in the direction of the force and the work done is measured by the product of the magnitude of the force and the distance through... | |
 | 1878 - 890 σελίδες
...inaccurate, would be certainly apt to mislead. We are told, for example, on page 3, that "a force does work when its point of application moves in the direction of the force ;" from whence the pupil would probably infer that force did not do work when the point of application... | |
 | Augustin Privat-Deschanel - 1880 - 284 σελίδες
...gravity to do work ; and this tendency is not peculiar to gravity. 48. Work done by any Force. — A force is said to do work when its point of application moves in the direction of the force, or in any direction making an acute angle with this, so as to give a component displacement in the... | |
 | Augustin Privat-Deschanel - 1880 - 1176 σελίδες
...of gravity to do work; and this tendency is not peculiar to gravity. 48. Work done by any Force. — A force is said to do work when its point of application moves in the direction of the force, or in any direction making an acute angle with this, so as to give a component displacement in the... | |
 | Augustin Privat-Deschanel - 1884 - 282 σελίδες
...of gravity to do work; and this tendency is not peculiar to gravity. 48. Work done by any Force. — A force is said to do work when its point of application moves in the direction of the force, or in any direction making an acute angle with this, so as to give a component displacement in the... | |
 | John Cox - 1904 - 366 σελίδες
...the motion. 47. In science the term Work is adopted accordingly with the following definition. Work. A force is said to do work when its point of application is displaced in the direction of the force. When the displacement is in the opposite direction, work... | |
 | Percey Franklyn Smith, William Raymond Longley - 1910 - 312 σελίδες
...a constant force. Show that the path is a conic section. CHAPTER V WORK, ENERGY, IMPULSE 52. Work. A force is said to do work when its point of application undergoes a displacement. The amount of work done by a constant force is equal to the product of the... | |
 | Trinity College (Dublin, Ireland) - 1911 - 614 σελίδες
...couples will balance if their moments are equal and opposite. 5. Define the work done by a force both when its point of application moves in the direction of the force, and when it moves in a direction inclined to the force. Illustrate by a serewpress, or wheel and axle.... | |
 | Sidney Luxton Loney - 1912 - 418 σελίδες
...begin to turn about the other end of the diameter through P. CHAPTER V WORK. VIRTUAL WORK 86. Work. A force is said to do work when its point of application...exerted by a horse, in dragging a waggon, does work. The pressure of the steam, in moving the piston of an engine, does work. When a man winds up a watch or... | |
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A force is said to do work when its point of application moves in the direction of the force. 
