The Mechanical Principles of Engineering and ArchitectureJ. Wiley, 1875 - 699 стор. |
З цієї книги
Сторінка viii
... constant equilibrium of the pressures applied to it , or if it work uniformly , then is the aggregate work of those pressures which tend to accelerate its motion equal to the aggregate work of those which tend to retard it ; and , by ...
... constant equilibrium of the pressures applied to it , or if it work uniformly , then is the aggregate work of those pressures which tend to accelerate its motion equal to the aggregate work of those which tend to retard it ; and , by ...
Сторінка 40
... constant quantity sec . , or it is equal to the sum just spoken of , that sum being divided by cos . 1. Let this sum be repre- sented by mnm , therefore the volume of the solid is re- presented by Σmn x m COS . I Now suppose CD to ...
... constant quantity sec . , or it is equal to the sum just spoken of , that sum being divided by cos . 1. Let this sum be repre- sented by mnm , therefore the volume of the solid is re- presented by Σmn x m COS . I Now suppose CD to ...
Сторінка 41
... constant obser- vation upon the motions of the planets , and by experiment upon the motions of the bodies around us , that when once communicated to a body , it remains in that body , unaffected by the lapse of time , carrying it ...
... constant obser- vation upon the motions of the planets , and by experiment upon the motions of the bodies around us , that when once communicated to a body , it remains in that body , unaffected by the lapse of time , carrying it ...
Сторінка 44
... constant increment or decrement of the body's velocity . Then if any abscissa AM be taken to represent a number of seconds t during which the body has moved , the corresponding ordinate MP or MQ will represent the velocity then acquired ...
... constant increment or decrement of the body's velocity . Then if any abscissa AM be taken to represent a number of seconds t during which the body has moved , the corresponding ordinate MP or MQ will represent the velocity then acquired ...
Сторінка 50
... constant and parallel to them- selves , whilst the point A is made to move through the straight line AB , then the whole work done is equal to the sum of the works of the different pressures resolved in the directions of those pressures ...
... constant and parallel to them- selves , whilst the point A is made to move through the straight line AB , then the whole work done is equal to the sum of the works of the different pressures resolved in the directions of those pressures ...
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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