 | Richard Potter - Mechanics - 1846 - 190 pages
...of Pj, P2, and P3. By pursuing the same method we may find the resultant for any number of forces. DEFINITION. The moment of a force about any point is the product of the force into the perpendicular let fall from the point upon the direction of the force. The moment, as... | |
 | Augustus William Smith - Mechanics, Analytic - 1855 - 340 pages
...AC2=AB2-fBC2-2AB.BC cos. ABC, and cos. ABC= — cos. BAD— — cos. 6. R2 = P2 + Q2 + 2PQ cos. 0. 30. DEF. The moment of a force about any point is the product of the force into the perpendicular let fall from that point on the direction of the force. The point is called... | |
 | Augustus William Smith - Mechanics, Analytic - 1855 - 368 pages
...22, AC'=AB'+BC'-2AB.BC cos. ABC, and cos. ABC=— cos. BAD= — cos. 0. R'=P'+Q'+2PQcos.0. 30. DBF. The moment of a force about any point is the product of the force into the perpendicular let fall from that point on the direction of the force. The point is called... | |
 | Augustus William Smith - Mechanics, Analytic - 1863 - 340 pages
...22, AC'=AB'+BC'-2AB.BC cos. ABC, and cos. ABC =— cos. BAD= — cos. 0. R'=P'+Q'+2PQcos.0. 30. DBF. The moment of a force about any point is the product of the force into the perpendicular let fall from that point on the direction of the force. The point is called... | |
 | Augustus Jay Du Bois - Graphic statics - 1875 - 470 pages
...moment of rotation of forces in aplane. CHAPTEE IV. MOMENT OF ROTATION OF FORCES IN THE SAME PLANE. 35. The "Moment" of a Force about any Point is the product of the force into the perpendicular distance from that point to the line of direction of the force. The importance... | |
 | James Thomson Bottomley - Mechanics - 1877 - 152 pages
...moment of the forces about a point in their plane is often spoken of. The moment of a force about a point is the product of the magnitude of the force, and the length of the perpendicular from the point on its direction. The moment of a force about a point, or... | |
 | David Allan Low, Alfred William Bevis - Machine design - 1893 - 398 pages
...ABCDA becomes a straight line. 39. Moment of a Force. — The moment of a force with respect to an axis is the product of the magnitude of the force and the perpendicular distance of its line of action from the axis. If the force is measured in pounds and the distance in feet, the... | |
 | William Henry Warren - Bridges - 1894 - 454 pages
...equal tendency in the opposite. The moment of a force about a given point may be defined as the product of the force and the perpendicular distance from the point to the line of action of the force. The second principle may then be stated thus : If any number of forces in the... | |
 | International Correspondence Schools - Civil engineering - 1899 - 722 pages
...from all the forces at the left of the point C. For it has been shown (Art. 1 16O) that the bending moment of a force about any point is the product of the pole distance by the parallel intercept at that point between those two lines of the equilibrium polygon... | |
 | William Woolsey Johnson - Mechanics - 1901 - 480 pages
...measure is taken to be the same as that of the couple; that is, the moment of a force about a given point is the product of the magnitude of the force and the perpendicular from the point upon the line of action, Accordingly in Fig. 30 the forces P and Q are said to have... | |
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The moment of a force about any point is the product of the magnitude of the force and the perpendicular distance from the point to the line of action of the force. 
