The Mechanical Principles of Engineering and ArchitectureJ. Wiley, 1875 - 699 стор. |
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Сторінка 1
... point to which it is applied , or in which it tends to destroy the motion in it . * When more forces than one are ... application , provided only the point to which we remove it be in the straight line in the direction of which it .acts ...
... point to which it is applied , or in which it tends to destroy the motion in it . * When more forces than one are ... application , provided only the point to which we remove it be in the straight line in the direction of which it .acts ...
Сторінка 17
... points of application , so as to remain parallel to their existing directions , and applied to the same point , they are such as would be in equilibrium about that point . But being thus moved , these parallel pressures would all have ...
... points of application , so as to remain parallel to their existing directions , and applied to the same point , they are such as would be in equilibrium about that point . But being thus moved , these parallel pressures would all have ...
Сторінка 18
... points of application of any two of these pressures , and let the pressures themselves be represented by P , and P ,. Also let their resultant R , intersect the line joining the points P , and P , in the point R ,; produce the line P ...
... points of application of any two of these pressures , and let the pressures themselves be represented by P , and P ,. Also let their resultant R , intersect the line joining the points P , and P , in the point R ,; produce the line P ...
Сторінка 20
... points of application from the given plane . So that if the directions of the pressures were changed , provided that their amounts and points of application remained the same , their centre of pressure , determined as above , would ...
... points of application from the given plane . So that if the directions of the pressures were changed , provided that their amounts and points of application remained the same , their centre of pressure , determined as above , would ...
Сторінка 21
Henry Moseley. sures through the body without altering their amounts or their points of application , would not alter the position of their centre of pressure in the body ; therefore , neither would the first mentioned change . Whence it ...
Henry Moseley. sures through the body without altering their amounts or their points of application , would not alter the position of their centre of pressure in the body ; therefore , neither would the first mentioned change . Whence it ...
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Загальні терміни та фрази
a₁ angle of resistance angular velocity axes axis beam body bordering upon motion centre of gravity circumference co-efficient compression conical surfaces corresponding crank crank arm cubic foot curve cylinder deflexion determined displaced fluid distance ditto driven wheel driving epicycloidal equal equation equilibrium evident exceedingly small extrados forces formula friction given horizontal hypocycloidal inclination inertia intersect involute lamina length limiting angle line of centres line of resistance load machine modulus moment of inertia moving n₁ n₂ neutral line 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 space stability Substituting supposed surfaces of contact taken to represent tion tooth U₁ unguent vertical vis viva viva voussoirs wall weight whence it follows whilst whole