An elementary treatise on MechanicsMacmillan, 1863 - 374 σελίδες |
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Σελίδα vi
... passing over a smooth surface , 65 ; . . . over a rough surface , 66 ; the funi- cular polygon and catenary 67 , 68 . PAGE бо CHAPTER V. Of the centre of gravity Def . of vertical , horizontal , centre of gravity , 69 ; there is one and ...
... passing over a smooth surface , 65 ; . . . over a rough surface , 66 ; the funi- cular polygon and catenary 67 , 68 . PAGE бо CHAPTER V. Of the centre of gravity Def . of vertical , horizontal , centre of gravity , 69 ; there is one and ...
Σελίδα 14
... passes through the direc- tions of the two components AP , AQ ; for no reason can be assigned in favour of this resultant's lying in any proposed position above the plane PAQ , which would not hold with equal validity in favour of the ...
... passes through the direc- tions of the two components AP , AQ ; for no reason can be assigned in favour of this resultant's lying in any proposed position above the plane PAQ , which would not hold with equal validity in favour of the ...
Σελίδα 15
... passes through the point of application of the forces will represent their resultant in magnitude and direction . That is , if the two forces P , Q be represented by AB , AC , and the parallelogram BC be completed , their resultant R ...
... passes through the point of application of the forces will represent their resultant in magnitude and direction . That is , if the two forces P , Q be represented by AB , AC , and the parallelogram BC be completed , their resultant R ...
Σελίδα 32
... passes . Take any point 0 and through P it draw Obca at right angles to the directions of the forces ; then since the resultant of P , Q passes through C , P.AC - Q.BC , and . P. ac Q. bc ; = when the forces P , Q act in the same ...
... passes . Take any point 0 and through P it draw Obca at right angles to the directions of the forces ; then since the resultant of P , Q passes through C , P.AC - Q.BC , and . P. ac Q. bc ; = when the forces P , Q act in the same ...
Σελίδα 33
... passes through the point with respect to which the moments are taken . 34. The sum of the moments of two parallel forces about any line at right angles to their direction , is equal to the moment of their resultant about the same line ...
... passes through the point with respect to which the moments are taken . 34. The sum of the moments of two parallel forces about any line at right angles to their direction , is equal to the moment of their resultant about the same line ...
Άλλες εκδόσεις - Προβολή όλων
Συχνά εμφανιζόμενοι όροι και φράσεις
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
Δημοφιλή αποσπάσματα
Σελίδα 15 - If two forces acting at a point be represented in magnitude and direction by the...