The Mechanical Principles of Engineering and ArchitectureJ. Wiley, 1875 - 699 стор. |
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Сторінка vii
... machines and the theory of construction . In the second , of the science of DYNAMICS , and , under this head , particularly of that union of a continued pressure with a continued motion which has received from English writers the ...
... machines and the theory of construction . In the second , of the science of DYNAMICS , and , under this head , particularly of that union of a continued pressure with a continued motion which has received from English writers the ...
Сторінка viii
... machine do not work under an equilibrium of the forces impressed upon it , then is the aggregate work of those which tend to accelerate the motion of the machine greater or less * If the direction of the pressure remain always parallel ...
... machine do not work under an equilibrium of the forces impressed upon it , then is the aggregate work of those which tend to accelerate the motion of the machine greater or less * If the direction of the pressure remain always parallel ...
Сторінка ix
... machine , which tend to accelerate its motion , and the aggregate work of those which tend to retard the motion , is equal to the aggregate work of the vires inertia of the moving parts of the machine : under which form the prin- ciple ...
... machine , which tend to accelerate its motion , and the aggregate work of those which tend to retard the motion , is equal to the aggregate work of the vires inertia of the moving parts of the machine : under which form the prin- ciple ...
Сторінка x
... machine , during any time , by those forces which tend to accelerate the motion , and the aggregate work , during the same time , of those which tend to retard the motion , is equal to the aggregate number of units of work accumulated ...
... machine , during any time , by those forces which tend to accelerate the motion , and the aggregate work , during the same time , of those which tend to retard the motion , is equal to the aggregate number of units of work accumulated ...
Сторінка xi
... machine compounded of them . When a machine has acquired a state of uniform motion , work ceases to accumulate in its moving elements , and its modulus assumes the form of a direct relation between the work done by the motive power upon ...
... machine compounded of them . When a machine has acquired a state of uniform motion , work ceases to accumulate in its moving elements , and its modulus assumes the form of a direct relation between the work done by the motive power upon ...
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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