 | William Whewell - 1837 - 226 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... | |
 | William Whewell - 1847 - 208 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... | |
 | Cambridge univ, exam. papers - 1856 - 200 σελίδες
...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,... | |
 | Stephen Parkinson - 1863 - 408 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... | |
 | Samuel Newth - 1864 - 392 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... | |
 | John Charles Buckmaster - 1864 - 204 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... | |
 | James Hamblin Smith - 1868 - 102 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... | |
 | James Hamblin Smith - 1871 - 148 σελίδες
...of this proposition is true, that is, if three forces, acting at a point be in equilibrium, they can be represented in magnitude and direction by the sides of a triangle, taken in order. This is a particular case of a more general theorem, which we now proceed to prove. 38. If three... | |
 | J W. Mulcaster - 1871 - 242 σελίδες
...be 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.... | |
 | Henry Wray - 1872 - 440 σελίδες
...1,269 Ibs. 2,000 1,200 2,000 1,269 2,231 It is known that if any number of forces act on a point, and are in equilibrium, they may be represented in magnitude and direction by the sides of a polygon drawn parallel to the direction of these forces taken consecutively. Thus if A, B, C, D, E... | |
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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. 
