 | James Andrew Blaikie - 1879 - 242 pages
...angle 6 to the vertical. Find its acceleration in the direction of motion. 5. Define a couple. Prove that the moment of a couple about any point in its plane is constant. 6. Show that a force acting at a point is equivalent to an equal force acting at another... | |
 | George Sydenham Clarke Baron Sydenham of Combe - Graphic statics - 1880 - 176 pages
...acting along 0 1 and 2 3 form a new couple QiC^, which would replace the original couple PiP,. Now, the moment of a couple about any point in its plane is equal to the product of one of its equal forces into the perpendicular distance between their directions.... | |
 | George Sydenham Clarke (baron Sydenham of Combe.) - 1880 - 176 pages
...acting along 0 1 and 2 3 form a new couple Q,Q2, which would replace the original couple P.P2. Now, the moment of a couple about any point in its plane is equal to the product of one of its equal forces into the perpendicular distance between their directions.... | |
 | Augustus Jay Du Bois - Mechanics, Analytic - 1894 - 420 pages
...point C between the forces, -F. Ca-F.Cb= -F.ab. The minus sign denotes clockwise rotation. In general, the moment of a couple about any point in its plane is constant and equal to the product of the arm by one of the forces. (Compare page 186, Kinematics of... | |
 | Andrew Jamieson - Mechanics, Applied - 1903 - 584 pages
...Moments of the two forces of a couple about any point in their plane is con. stunt ; or in other words, The Moment of a Couple about any point in its plane is constant. '"' N Let Pi, P2 be the equal forces constituting the couple and O be any lK>int in the plane... | |
 | Henry Adams - Engineering - 1907 - 594 pages
...equilibrated by another couple tending to cause rotation in the opposite direction and having an equal moment. The moment of a couple about any point in its plane is constant. A couple tending to turn a body in the same direction as the hands of a watch is called a... | |
 | William Ledyard Cathcart, Jonathan Irvin Chaffee - Graphic methods - 1910 - 356 pages
...of left-hand force = — /Y8, algebraic sum of moments = PI, or the same magnitude as before. Hence, the moment of a couple about any point in its plane is a constant, and is equal to the product of either of the forces composing the couple, by the perpendicular... | |
 | Harry Eaton Smith - Mechanics - 1913 - 296 pages
...indicating the direction of the turning effort, -fo^ - Q I• i, II J jf *<? 19. Moment of a Couple. — 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... | |
 | H. J. E. Bailey - Mechanics - 1924 - 248 pages
...Couple and Torque. Two equal parallel forces acting in opposite directions are said to form a Couple. The moment of a couple about any point in its plane is the same quantity, and is called the Torque of the couple. It may be proved that, if F be the magnitude... | |
 | W. D. Hills - Mechanics - 1925 - 278 pages
...parallel forces form a couple. A couple produces pure turning and cannot be balanced by any single force. The moment of a couple about any point in its plane is constant and equals either force multiplied by the distance between them. Examples 9 1. Find the tension... | |
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Now, the moment of a couple about any point in its plane is equal to the product of one of its equal forces into the perpendicular distance between their directions. 
