 | Richard Potter - 1846 - 190 стор.
...PROP. All statical couples are equivalent to -each other whose planes are parallel and moments equal. DEFINITION. The moment of a couple is the product of one of the forces into the arm, or P.AB in the foregoing propositions. Pl /I e the original couple, whose moment... | |
 | Richard Potter - 1848 - 196 стор.
...PROP. All statical couples are equivalent to each other whose planes are parallel and moments equal. DEFINITION. The moment of a couple is the product of one of the forces into the arm, or P.AB in the foregoing propositions. .) be the original couple, whose moment... | |
 | Isaac Todhunter - 1867 - 372 стор.
...unlike. The arm of a couple is the perpendicular distance between the lines of action of its forces. The moment of a couple is the product of one of the equal forces into the arm; that is, the number which expresses the force must be multiplied by the number which expresses the... | |
 | W. G. Willson - 1874 - 294 стор.
...Def. — The arm of a couple is the perpendicular distance between the lines of action of its forces. The moment of a couple is the product of one of the equal forces and the arm. . . , The tendency of a couple acting on a rigid body is evidently to cause rotation,... | |
 | Sidney Luxton Loney - 1891 - 318 стор.
...the forces upon the line of action of the other. Thus the arm of the couple (P, P) is the length AB. The Moment of a couple is the product of one of the forces forming the couple and the arm of the couple. 69. Theorem. The algebraic sum of the momenta... | |
 | Henry Smith Carhart - 1894 - 360 стор.
...application is at an infinite distance. Such a pair of forces may cause a body to revolve around an axis. The moment of a couple is the product of one of the forces and the perpendicular distance between their lines of action. One couple is in equilibrium with... | |
 | John Goodman - 1899 - 626 стор.
...(as long as its moment is kept the same) without affecting the equilibrium of the body. Moments. — The moment of a couple is the product of one of the forces and the length of the arm. It is usual to speak of the moment of a force about a given point... | |
 | Andrew Jamieson - 1903 - 584 стор.
...Adopting this method, we get : — Or, Ri = W, + W2 + W + W3 Ra = 5 + 10 + 20 + 15 - 22 (cwts.) E. = 28 cwts. Couples. — 'We shall now show that all...is the product of one of the equal forces into the V. ™, . v. j v. 1 Thus, if a body be acted on by two equal and opposite parallel forces, P, P, whose... | |
 | De Volson Wood - 1903 - 404 стор.
...But, f =OA+AB; J: hence, the preceding expression becomes P.OA+P.AB-P.OA; or, simply P.AB; that is, the moment of a couple is the product of one of the forces into the perpendicular distance between the lines cf action of the forces. This is independent... | |
 | Frank Berry Sanborn - 1906 - 214 стор.
...determined. A Couple consists of two equal, opposite, parallel forces not acting in the same straight line. Moment of a couple is the product of one of the equal forces by the perpendicular distance between them. Center of gravity of a body or a system of bodies is a... | |
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DEFINITION. — The Moment of a couple is the product of one of the equal forces into the arm. 
