 | Sir John Budd Phear - Mechanics - 1850 - 276 pages
...any single force. DBF. Such a pair of forces is called a Couple. The perpendicular distance between the two forces of a couple is called the arm of the couple ; and the product of the arm into the force is called the moment of the couple. It is also conventional... | |
 | John Kerr - Mechanics - 1866 - 358 pages
...system of two parallel, contrary, and equal forces applied to a rigid body. The Arm of a couple is the perpendicular distance between the lines of action of the two forces. The Moment of a couple is the product of its force and arm. The forces of a couple are usually represented... | |
 | J Alfred Skertchly - 1873 - 184 pages
...body, and not to move it along any resultant path. Such a combination of forces is called a coupled The perpendicular distance between the lines of action of the two forces is called the arm of the couple; the perpendicular to the plane of the couple at the middle point of... | |
 | George Minchin Minchin - 1877 - 470 pages
...«vidently P (ffm - an), or P x mn, which is the same as before. The perpendicular distance between the two forces of a couple is called the Arm of the couple. The Moment of a couple is the product of the arm and one of the forces. The Axis of a couple is a right... | |
 | Clement Mackrow - 1879 - 552 pages
...upwards through B', these two forces forming a righting couple, the arm of which is GZ — that is, the perpendicular distance between the lines of action of the two forces. The moment of this couple — that is, the weight of the ship, or its displacement, multiplied by the... | |
 | George Minchin Minchin - Statics - 1880 - 568 pages
...evidently P ((/m — 0'ii), or Pxmn, which is the same as before. The perpendicular distance between the two forces of a couple is called the Arm of the couple. The Moment of a couple is the product of the arm and one of the forces. The Axis of a couple is a right... | |
 | George Minchin Minchin - Physics - 1884 - 369 pages
...is evidently P((7m— O'n)} or Pxmn, which is the same as before. The perpendicular distance between the two forces of a couple is called the Arm of the couple. The Moment of a couple is the product of the arm and one of the forces. The Axis of a couple is a right... | |
 | Nathan Clifford Ricker - Roofing - 1892 - 182 pages
...0. Indicating the senses, as in the figure, the couple is fully represented by the lines 04 and 4 0. The perpendicular distance between the lines of action of the two forces is termed the lever-arm of the couple. Components of a Force. (15.) The components of a force are the... | |
 | John Lovell Robinson - Dynamics - 1888 - 378 pages
...and parallel forces acting in opposite directions. (See Art. 180.) )P DEF. — The Arm of a couple is the perpendicular distance between the lines of action of the two forces. DEF. — The Moment of a couple is the product of either force into the arm=Pa. It is evident that... | |
 | Sidney Luxton Loney - Dynamics - 1891 - 318 pages
...CHAPTER VI. COUPLEs. 68. Def. Two equal unlike parallel forces form a couple. The Arm of a couple is the perpendicular distance between the lines of action of the two forces which form the couple, ie is the perpendicular drawn from any point ' lying on the line of action of... | |
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The perpendicular distance between the lines of action of the two forces is called the arm, and the product of one of the forces and the arm is called the moment of the couple. 
