 | 1912 - 514 pages
...of a couple cannot be compounded, that is, no single force can produce the same effect as a couple. 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.... | |
 | David Allan Low - Geometrical drawing - 1912 - 468 pages
...couple consists of two equal parallel forces acting in opposite directions. 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 the magnitude of one of the forces and the arm of the couple.... | |
 | Sidney Luxton Loney - Mechanics - 1912 - 418 pages
...clock in winding it up, or by the hands to the handle of a door in opening it. The Arm of a couple is the perpendicular distance between the lines of action of the two forces which form the couple. The Moment of a couple is the product of one of the forces forming the couple... | |
 | Harry Eaton Smith - Mechanics - 1913 - 296 pages
...The moment of a couple about any point in its plane is equal to the product of one of the forces and the perpendicular distance between the lines of action of the two forces forming the couple ; for, Let the couple be as represented by the two equal forces, Ft and F2 in Fig.... | |
 | Henry Crew - Physics - 1916 - 654 pages
...mH acting upon its south pole. If we denote by l the distance between the two poles, I sin 6 will be the perpendicular distance between the lines of action of the two forces + mH and - mH. The couple L act- Fio. 241. — illustrating upon the needle will therefore be mill... | |
 | Clement Mackrow - Naval architecture - 1916 - 766 pages
...upwjirds through n', 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... | |
 | Robert Alexander Houstoun - Physics - 1919 - 246 pages
...159, is called a couple, and the moment of the couple is defined as the product of either force and the perpendicular distance between the lines of action of the two forces. It is thus equal to the sum of the moments of the two forces, and measures the power of the couple... | |
 | Arthur Morley - Mechanical engineering - 1920 - 314 pages
...resultant force; they cannot then be balanced by a single force. Such a system is called a couple, and the perpendicular distance between the lines of action of the two forces is called the arm of the couple. Thus, in Fig. 83, if two equal and opposite forces F Ibs. act at A... | |
 | Civil engineering - 1920 - 432 pages
...of a couple cannot be compounded, that is, no single force can produce the same effect as a couple. 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.... | |
 | George A. Hool, Nathan C. Johnson - Building - 1920 - 922 pages
...two equal and parallel forces, opposite in direction, and Fio. 6. having different lines of action. The perpendicular distance between the lines of action of the two forces is called the arm of the couple. The moment of a couple about any point in the plane of the couple... | |
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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. 
