 | John Bascombe Lock - 1888 - 278 стор.
...resultant of two unlike parallel forces. 227. PROP. To give a construction for finding the resultant of any number of forces acting on a rigid body in one plane. Let /',, P,, P3 be three forces acting on a rigid body in one plane. A Draw the polygon ABCD so that... | |
 | Elroy McKendree Avery - 1895 - 616 стор.
...^ r — £ j 4 1 so circumstances, the c\ d\ e\ A lever will be in equiv 1 * v ife s 2% 1% librium when the sum of the moments of the forces tending to turn the lever in one direction is equal to the sum of the moments of the forces tending to turn the lever in... | |
 | Andrew Jamieson - 1895 - 448 стор.
...Moments. — If any number of forces, acting in the same plane, keep a body in equilibrium, then the sum of the moments of the forces tending to turn the body about any axis in one direction, is equal to the sum of the moments of the forces tending to turn the... | |
 | John Perry - 1897 - 724 стор.
...law is then, if a number of forces try to turn a body and are just able to balance one another, the sum of the moments of the forces tending to turn the body against the hands of a watch must be equal to the sum of the moments of the forces tending to turn... | |
 | William Woolsey Johnson - 1901 - 480 стор.
...moments of the forces about any point in the plane must vanish; or, what is the same thing, that the sum of the moments of the forces tending to turn the body in one direction about the point must be equal to the sum of those tending to turn it in the opposite direction. 107-... | |
 | 1901 - 160 стор.
...and extend this theorem to the case of any number of coplanar forces acting at a point. (c) Shew that any number of forces acting on a rigid body in one plane will be in equilibrium if the algebraical sums of their resolved parts in some two directions vanish,... | |
 | Andrew Jamieson - 1903 - 584 стор.
...Moments.— If any number of forces, acting in the same plane, keep a body in equilibrium, then the sum of the moments of the forces tending to turn the body about any axis in one direction, is equal to the sum of the moments of the forces tending to turn the... | |
 | Thomas Everit Coleman - 1909 - 234 стор.
...rotation about that point. When a body is maintained in equilibrium, the sum of the moments of all the forces tending to turn the body in one direction is equal to the sum of the moments of all the forces tending to turn the body in the opposite direction. Let the forces l\ and... | |
 | Frank Eugene Kidder - 1915 - 1856 стор.
...parallel forces, not all acting in the same direction, act on a botiy, if the body is in equilibrium, the sum of the moments of the forces tending to turn the body in one direction about any given i', Fig. 7. " Algebraic Sum of Unlike Parallel Forces J В Fig 8. Alftcbraic Sum of... | |
 | Frank Eugene Kidder - 1921 - 1950 стор.
...all acting in the same direction, act on а Ых1>-, if the body is in equilibrium, the sum of tfc« moments of the forces tending to turn the body in one direction about any given point is equal to the sum of the moments of the forces tending to turn it m the opposite... | |
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... the sum of the moments of the forces tending to turn the body in... 
