An elementary treatise on MechanicsMacmillan, 1863 - 374 páginas |
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Página 7
... represented geometrically by the line AB ; for this line is drawn in the direction of the force AP , from the point of application A , and also represents the force in magnitude : the convention in this respect being understood to be ...
... represented geometrically by the line AB ; for this line is drawn in the direction of the force AP , from the point of application A , and also represents the force in magnitude : the convention in this respect being understood to be ...
Página 8
... represented by AB , AC , AD , they will when acting simul- taneously be together represented by a line AD ' , the length of which is equal to the sum of AB + AC + AD . If one of the forces as R , acts in a direction opposite to that of ...
... represented by AB , AC , AD , they will when acting simul- taneously be together represented by a line AD ' , the length of which is equal to the sum of AB + AC + AD . If one of the forces as R , acts in a direction opposite to that of ...
Página 9
... represented by the algebraic sum of the several forces ; and if this sum be affected with a positive sign , the equivalent force will act in the direction which has been considered positive ; and if it be affected with a negative sign ...
... represented by the algebraic sum of the several forces ; and if this sum be affected with a positive sign , the equivalent force will act in the direction which has been considered positive ; and if it be affected with a negative sign ...
Página 15
... represented by AB , AC , and the parallelogram BC be completed , their resultant R will be represented by the diagonal AD . The same is true if P , Q act at points E , F , provided their directions meet in E some point A. We shall ...
... represented by AB , AC , and the parallelogram BC be completed , their resultant R will be represented by the diagonal AD . The same is true if P , Q act at points E , F , provided their directions meet in E some point A. We shall ...
Página 18
... represented by AB , AC , AE balance each other . Complete the parallelograms BE , BC : then AF will be the direction ... represented in magnitude as well as in direction by AD the diagonal of the parallelogram . 21. The theorem which we ...
... represented by AB , AC , AE balance each other . Complete the parallelograms BE , BC : then AF will be the direction ... represented in magnitude as well as in direction by AD the diagonal of the parallelogram . 21. The theorem which we ...
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Términos y frases comunes
accelerating force angular points applied axis balance ball bisects body or system centre of gravity circle coefficient of friction conditions of equilibrium cos² curve cycloid cylinder determine diagonal distance elastic equal particles equation equi find the centre fixed point forces acting fulcrum funicular geometrical given heavy particles Hence horizontal plane impact inclined plane latus rectum length lever librium magnitude and direction mass middle point moving parabola parallel parallelogram parallelogram of forces parallelopiped Pcos perpendicular polygon position of equilibrium pressure pully pyramid radius represented resolved rest resultant right angles rough shew sides similar triangles sin² sliding smooth sphere straight line string passes student suppose surface system of forces system of particles tangent tension theorem three forces tion triangle uniform vertex vertical plane virtual velocity W's virtual weight
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Página 15 - If two forces acting at a point be represented in magnitude and direction by the...