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" If three forces, acting at a point, can be represented in magnitude and direction by the sides of a triangle, taken in order, they will be in equilibrium. "
The elements of dynamics, mechanics - Σελίδα 12
των James Andrew Blaikie - 1878
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The Mechanical Euclid: Containing the Elements of Mechanics and Hydrostatics ...

William Whewell - 1837 - 182 σελίδες
...parallel to them in direction and proportional to them in magnitude. * PROP. XIV. If three forces, represented in magnitude and direction by the sides of a triangle taken in order, act on a point, they will keep it in equilibrium. Let three forces, represented in magnitude and direction...

An Elementary Treatise on Mechanics: Intended for the Use of Colleges and ...

William Whewell - 1847 - 191 σελίδες
...at whatever point of the force the resolution be supposed to take place. 57. PIIOP. If three forces, represented in magnitude and direction by the sides of a triangle taken in order, act on a point, they will keep it in equilibrium. Let three forces, represented in magnitude and direction...

Cambridge examination papers: a suppl. to the University calendar, 1856-59

Cambridge univ, exam. papers - 1856
...the pressure on the fulcrum be 25 pounds, what are the magnitudes of the forces ? 2. If three forces represented in magnitude and direction by the sides of a triangle taken in order, act on a point, they will keep it at rest. Two forces whose magnitudes are 12 and 5 pounds respectively,...

Elements of Natural Philosophy Designed for Academies and High Schools

Elias Loomis - 1858 - 351 σελίδες
...Conversely, we infer that if three forces, acting upon the same point, are represented in quantity and direction by the sides of a triangle taken in order, the point will remain at rest. Now the weight C, acting in the direction DC, would be balanced by an equal force...

An Elementary Treatise on Mechanics for the Use of the Junior Classes at the ...

Stephen Parkinson - 1863 - 374 σελίδες
...Bruges, without any strict proof of it. 22. The Triangle of Forces. If three forces acting at a point be represented in magnitude and direction by the sides of a triangle taken in order, they will be in equilibrium. Let ABC be the triangle whose sides taken in order represent in direction...

The Elements of Mechanical Physics

John Charles Buckmaster - 1864 - 188 σελίδες
...magnitude by AD, the diagonal of the parallelogram, of which AB and AC are the sides. Jf three forces represented in magnitude and direction by the sides of a triangle taken in order act at a point, ihey mil keep it in equilibrium. Let three forces, AB, BC, CA represented in magnitude...

The Elements of Mechanics, Including Hydrostatics: with Numerous Examples

Samuel Newth - 1864 - 364 σελίδες
...the resultant of P and Q, both in magnitude and direction. 20. TRIANGLE OF FORCES. If three forces, represented in magnitude and direction by the sides of a triangle taken in order, act upon a point, they will be in equilibrium; and, conversely, if three forces acting upon a point,...

A Treatise on Elementary Statics, Τόμος 12

James Hamblin Smith - 1868 - 86 σελίδες
...magnitude the resultant of AB, AC. 20. THE TRIANGLE OF FORCES. If three forces acting at a point can be represented in magnitude and direction by the sides of a triangle taken in order, they will be in equilibrium. Let AB, BC, CA, the sides of the triangle ABC taken in order, represent...

An elementary treatise on statics

J W. Mulcaster - 1871
...deduced several important theorems. 37. Triangle of Forces.—If three forces acting at a point be represented in magnitude and direction by the sides of a triangle taken in order, they will be in equilibrium. Let AD, DC, CA represent three forces acting on a point A, suppose. Complete...

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James Hamblin Smith - 1871 - 130 σελίδες
...TRIANGLE AND POLYGON OF FORCES. S7. THE TRIANGLE OF FORCES. If three forces, acting at a point, can be represented in magnitude and direction by the sides of a triangle, taken in order, they will be in equilibrium. Let AB, BC, CA, the sides of the triangle ABC, taken in order, represent...




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