If we consider one arm rotating under uniform conditions, the sum of the moments of all the forces, acting on the roller and arm, about the point of support O will be zero (Fig. Structural and Stress Analysis - Page 34by T.H.G. Megson - 2005 - 744 pagesLimited preview - About this book
| Engineering - 1878
...tangent of the inclination at the point of support. At any point x of the span, let M be the moment. Now **the sum of the moments of all the forces acting on the** beam must be o.:2(m,Y. by t the tangent of the angle made by the neutral layers when the continuity... | |
| George Minchin Minchin - Statics - 1880 - 518 pages
...ground and wall. Let P be any point in the beam, at which we shall calculate the Bending Moment, ie, **the sum of the moments of all the forces acting on the** beam between P aud A ; let the horizontal and vertical lines through A be taken as axes of x and y... | |
| Robert Hudson Graham - Graphic statics - 1883 - 374 pages
...; and, be. dx. dy. Neglecting orders of infinitesimals higher than the second, and equating to zero **the sum of the moments of all the forces acting on the** elemental prism, which exists in a state of equilibrium, we find, bf. dy dx = be dx dy; or, f=e But... | |
| Robert Hudson Graham - Graphic statics - 1883 - 374 pages
...; and, be. dx. dy. Neglecting orders of infinitesimals higher than the second, and equating to zero **the sum of the moments of all the forces acting on the** elemental prism, which exists in a state of equilibrium, we find, bf. dy dx = be dr dy ; or, But the... | |
| George Minchin Minchin - Statics - 1886
...ground and wall. Let P be any point in the beam, at which we shall calculate the Bending Moment, ie **the sum of the moments of all the forces acting on the** beam between P and A ; let the horizontal aud vertical lines through .1 be taken as axes of x and y;... | |
| Robert Hudson Graham - Graphic statics - 1887 - 401 pages
...dx; and, be. dx. dy. Neglecting orders of infinitesimals higher than the second, and equating to zero **the sum of the moments of all the forces acting on the** elemental prism, which exists in a state of equilibrium, we find, bf. dy dr = be dx dy; or, But the... | |
| George Minchin Minchin - Physics - 1889
...STRAINS AND STRESSES. Let P be auy point in the beam, at which we shall calculate the Bending Moment, ie **the sum of the moments of all the forces acting on the** beam between P and A ; let the horizontal and vertical lines through A be taken as axes of x and y... | |
| George Minchin Minchin - Hydrodynamics - 1892 - 424 pages
...the two faces xx'b'b and bb'c'c. Let n be the centre of area of the face xx'c'c, and express the fact **that the sum of the moments of all the forces acting on the** prism about the line mn, parallel to ane', is zero. To this sum of moments nothing will be contributed... | |
| William Wade Fitzherbert Pullen - Graphic statics - 1896 - 321 pages
...MOMENT. Take any transverse section C, as before, at a distance of say 8 ft. from the point A. Now **the sum of the moments of all the forces acting on the** beam to the right of C about the axis of the section C is 8 K2 - (10 x 4) = 72 tons-feet in anti-watch-hand... | |
| Thomas Jay Evans, William Wade Fitzherbert Pullen - Geometry, Plane - 1897 - 400 pages
...attached to the W lower block, hence the tension in each will be — By the second law of equilibrium, **the sum of the moments of all the forces acting on the** top block about the centre of the bearing must be zero ; or — WW Set down ma equal to i\ — r^ and... | |
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