The Mechanical Principles of Engineering and ArchitectureJ. Wiley, 1875 - 699 стор. |
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Сторінка iv
... difficulty might be offered to the student if allowed to remain exactly as printed in the original . UNITED STATES MILITARY ACADEMY , West Point March 8 , 1856 . PREFACE TO THE SECOND EDITION . I HAVE added in IV EDITOR'S PREFACE .
... difficulty might be offered to the student if allowed to remain exactly as printed in the original . UNITED STATES MILITARY ACADEMY , West Point March 8 , 1856 . PREFACE TO THE SECOND EDITION . I HAVE added in IV EDITOR'S PREFACE .
Сторінка viii
... remain always parallel to itself , the space described may be any finite space ; if it do not , the space is understood to be so small , that the direction of the pressure may be supposed to remain parallel to itself whilst that space ...
... remain always parallel to itself , the space described may be any finite space ; if it do not , the space is understood to be so small , that the direction of the pressure may be supposed to remain parallel to itself whilst that space ...
Сторінка 3
... remain , then this single pressure , producing the same effect in respect to the equilibrium that the pressures which it replaces produced , is said to be the RESULTANT . The pressures which it replaces are said to be the COMPO- NENTS ...
... remain , then this single pressure , producing the same effect in respect to the equilibrium that the pressures which it replaces produced , is said to be the RESULTANT . The pressures which it replaces are said to be the COMPO- NENTS ...
Сторінка 17
... 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 their directions in the same ...
... 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 their directions in the same ...
Сторінка 20
... remain unchanged ; that is , the resultant , although it would alter its direction with the directions of the component pressures , would , nevertheless , always pass through the same point . The weights of any number of different ...
... remain unchanged ; that is , the resultant , although it would alter its direction with the directions of the component pressures , would , nevertheless , always pass through the same point . The weights of any number of different ...
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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