The Mechanical Principles of Engineering and ArchitectureLongman, Brown, Green, and Longmans, 1855 - 675 стор. |
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Сторінка 15
... perpendicular distance at which it acts from the given point A. For this we must have recourse to the condition of the equality of moments ( Art . 7. ) . 2 If the sum of the moments of those of the pressures , P1 , P2 . . . . P2 , which ...
... perpendicular distance at which it acts from the given point A. For this we must have recourse to the condition of the equality of moments ( Art . 7. ) . 2 If the sum of the moments of those of the pressures , P1 , P2 . . . . P2 , which ...
Сторінка 16
... perpendicular distance of its direction from the point A , are known ; and thus the resultant pressure is completely deter- mined in magnitude and direction . THE PARALLELOPIPEDON OF PRESSURes . 12. Three pressures , P1 , P2 , P3 ...
... perpendicular distance of its direction from the point A , are known ; and thus the resultant pressure is completely deter- mined in magnitude and direction . THE PARALLELOPIPEDON OF PRESSURes . 12. Three pressures , P1 , P2 , P3 ...
Сторінка 18
... perpendicular B to one of these pressures , is also perpendicular c to all the rest , so that the perpendiculars are here the parts of this line AM ,, AM ,, & c . inter- cepted between the point A and the directions of the pres- sures ...
... perpendicular B to one of these pressures , is also perpendicular c to all the rest , so that the perpendiculars are here the parts of this line AM ,, AM ,, & c . inter- cepted between the point A and the directions of the pres- sures ...
Сторінка 22
... perpendicular distance from the given plane of a point through which the resultant of all the pressures P ̧ , P , . . . . P „ , passes . In the same manner may be determined the distance of this point from any other plane . Let this ...
... perpendicular distance from the given plane of a point through which the resultant of all the pressures P ̧ , P , . . . . P „ , passes . In the same manner may be determined the distance of this point from any other plane . Let this ...
Сторінка 31
... perpendicular to AD . Then would the whole be sup- ported by a single force equal to the weight of the trapezoid acting upwards at G. Therefore ( Art . 17. ) , Now , MG . ABCD = G1M ̧ . ABED + G2M , . CED ABCD = h ( a + b ) , ABED = ha ...
... perpendicular to AD . Then would the whole be sup- ported by a single force equal to the weight of the trapezoid acting upwards at G. Therefore ( Art . 17. ) , Now , MG . ABCD = G1M ̧ . ABED + G2M , . CED ABCD = h ( a + b ) , ABED = ha ...
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Загальні терміни та фрази
a₁ angle of resistance angular velocity arch axes axis beam body bordering upon motion capstan centre of gravity circumference compression corresponding crank curve cylinder deflexion descend determined dimensions displaced fluid distance ditto driven wheel driving Edition epicycloidal equal equation equilibrium evident exceedingly small extrados force formula friction given hypocycloidal impact inclination inertia intersect involute lamina length limiting angle line of centres line of resistance machine modulus moment of inertia moving numbers of teeth observing obtain oscillation P₁ P₂ parallel passing perpendicular pitch circle plane point of application point of contact portion position radius repre respect resultant revolution revolve rupture screw space stability Substituting supposed surfaces of contact taken to represent tion tooth U₁ U₂ unguent vertical vis viva viva vols voussoirs W₁ wall weight whence it follows whilst whole
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