 | Richard Wormell - Dynamics - 1876 - 282 pages
...P) becomes indefinitely small, BC must become infinitely great. o Two equal parallel forces acting in opposite directions constitute what is called a couple. The perpendicular distance between the directions of the forces is called the arm of the couple. The tendency of the couple is to produce... | |
 | George Kimball Burgess - Physics - 1902 - 90 pages
...is called the principle of moments. VI. Two equal, parallel forces in opposite directions constitute a couple. The perpendicular distance between them...couple about any point. Is it the same for all points ? Demonstrate this for any point within and one without the lines of action of the forces. GROUP II.... | |
 | Alfred Peter Poorman - Mechanics, Applied - 1917 - 264 pages
...amount, opposite in direction and with different lines of action, constitute a couple, as FF, Fig. 49. The perpendicular distance between them, /, is called the arm of the couple. The product of one force and the arm is called the moment of the couple, or 49 Mom. = Ff. The moment... | |
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Two equal, parallel forces in opposite directions constitute what is called a couple. The perpendicular distance between them is called the arm of the couple. 