 | Samuel Newth - 1864 - عدد الصفحات: 392
...: sin QR : sin R"? : sin PQ. 23. POLYGON OF FORCES. If any number of forces acting upon, a point be represented in magnitude and direction by the sides of a polygon taken in order, they will be in equilibrium. Let forces represented by the sides of the polygon ABCDE, taken in order,... | |
 | James Hamblin Smith - 1868 - عدد الصفحات: 102
...sin a : sin yS : sin 7. 23. THE POLYGON OF FORCES. If any number of forces acting at a point can be represented in magnitude and direction by the sides of a polygon taken in order, they will be in equilibrium. Let the forces acting at A be represented in magnitude and direction by... | |
 | Richard Wormell - 1869 - عدد الصفحات: 270
...we may at once deduce the following proposition. When a number of forces acting on a particle can be represented in magnitude and direction by the sides of a polygon taken in order the forces are in equilibrium. Parallelepiped of Forces. 34. If three forces, F F' F'', acting on a... | |
 | J W. Mulcaster - 1871 - عدد الصفحات: 242
...them is greater than the third. 40. Polygon of Forces.—If any number of forces acting at a point be represented in magnitude and direction by the sides of a polygon taken in order, they will be in equilibrium. Let AB, BC, CD, DE, EA represent any number of forces acting on a point... | |
 | James Hamblin Smith - 1871 - عدد الصفحات: 148
...sin a : sin /3 : sin y. 40. THE POLYGON OF FORCES. If any number of forces, acting at a point, can be represented in magnitude and direction by the sides of a polygon taken in order, they will be in equilibrium. Let any number of forces P, Q, R, S, T, acting at the point 0, be represented... | |
 | Charles Robert Cross - 1873 - عدد الصفحات: 104
...evidently be equal and opposite to the remaining force. 88. If the forces acting at a point can be represented in magnitude and direction by the sides of a polygon taken in order, they witt be in equilibrium. For by a course of reasoning similar to that used in § 82, it will be... | |
 | Thomas Minchin Goodeve - 1874 - عدد الصفحات: 340
...extended into that of the polygon of forces, viz. — If any number of forces acting on a point be represented in magnitude and direction by the sides of a polygon, taken in order, tiiey .will be in equilibrium. . In the polygon AB c DE, we know that AB, B c are equivalent to a force... | |
 | George Wightwick - 1875 - عدد الصفحات: 394
...stones in equilibrium (see section on Stability). 3. If any number of forces act at a point and be represented in magnitude and direction by the sides of a polygon taken in order, they will be in equilibrium. Let p,Q,R,8 be forces acting at a point. From any point A draw AB to represent... | |
 | James Andrew Blaikie - 1878 - عدد الصفحات: 184
...Similarly CA represents R. Any number of Forces. If any number of forces, acting on a particle, be represented in magnitude and direction by the sides of a polygon taken in order, then by the polygon of velocities (§ 14) the velocity of the particle is unchanged, and therefore... | |
 | Samuel Newth - 1879 - عدد الصفحات: 370
...: : sin QE : sin EP : sin PQ. 23. POLYGON OF FORCES. If any number of forces acting upon a point be represented in magnitude and direction by the sides of a polygon taken in order, they will be in equilibrium, Let forces represented by the sides of the polygon ABCDE, taken in order,... | |
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If any number of forces acting at a point can be represented in magnitude and direction by the sides of a POLYGON taken in order, they are in equilibrium. 
