The Mechanical Principles of Engineering and ArchitectureJ. Wiley, 1875 - 699 стор. |
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Сторінка xiii
... distance of the line of resistance from the extrados of a structure , at the point where it most nearly approaches ... distance from its extrados ie ths the distance between the extrados at the base and the vertical through the centre of ...
... distance of the line of resistance from the extrados of a structure , at the point where it most nearly approaches ... distance from its extrados ie ths the distance between the extrados at the base and the vertical through the centre of ...
Сторінка 14
... 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 , P1 . . . . Pn , which tend to turn ...
... 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 , P1 . . . . Pn , which tend to turn ...
Сторінка 19
... distance of this point from any other plane . Let this distance be thus determined in respect to three given planes at right angles to one another . Its actual position in space will then be known . Thus then we shall know a point ...
... distance of this point from any other plane . Let this distance be thus determined in respect to three given planes at right angles to one another . Its actual position in space will then be known . Thus then we shall know a point ...
Сторінка 20
... distance R - 1 Nn - 1 of the centre of pressure of any number of parallel pressures from a given plane , is independent of the directions of these parallel pressures , and is dependent wholly upon their amounts and the perpendicular ...
... distance R - 1 Nn - 1 of the centre of pressure of any number of parallel pressures from a given plane , is independent of the directions of these parallel pressures , and is dependent wholly upon their amounts and the perpendicular ...
Сторінка 29
... distance of their centre of pres- sure from the plane ( Art . 19 ) , it follows by equation ( 18 ) that Σα AM Σπα . ΔΜ G1 = μΜ = M · ( 20 ) . Now it is proved in the theory of the integral calculus , * that a sum , such as is ...
... distance of their centre of pres- sure from the plane ( Art . 19 ) , it follows by equation ( 18 ) that Σα AM Σπα . ΔΜ G1 = μΜ = M · ( 20 ) . Now it is proved in the theory of the integral calculus , * that a sum , such as is ...
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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