The Mechanical Principles of Engineering and ArchitectureJ. Wiley, 1875 - 699 стор. |
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Результати 1-5 із 54
Сторінка xi
... common surface of contact is inclined to the normal , at an angle whose tangent is equal to the coefficient of friction . " This angle I have called the limiting angle of resistance . Its values calculated , in respect to a great ...
... common surface of contact is inclined to the normal , at an angle whose tangent is equal to the coefficient of friction . " This angle I have called the limiting angle of resistance . Its values calculated , in respect to a great ...
Сторінка 9
... common to both sides , we have m2 R2 - 1 P 22 = mt P , + mt P , + m2 P , + 2 + m2 Pr ( 3 ) , where R - 1 is the resultant of all the pressures P1 , . Pr . But these pressures are in equilibrium ; they have , there- fore , no resultant ...
... common to both sides , we have m2 R2 - 1 P 22 = mt P , + mt P , + m2 P , + 2 + m2 Pr ( 3 ) , where R - 1 is the resultant of all the pressures P1 , . Pr . But these pressures are in equilibrium ; they have , there- fore , no resultant ...
Сторінка 19
... common té both sides , P ̧ . P ̧M ̧ + P‚P‚M2 + . . . + Pn.P „ M = R2- , . Rn , Nn ~ , ( 17 ) 2 2 Now , RP , + P „ , R = R , + P , = P1 + P2 + P „ R = R + P = P , + P , 2 + P , + P ,, & c . = & c . R‚¬ ‚ = P1 + P2 + P2 ...
... common té both sides , P ̧ . P ̧M ̧ + P‚P‚M2 + . . . + Pn.P „ M = R2- , . Rn , Nn ~ , ( 17 ) 2 2 Now , RP , + P „ , R = R , + P , = P1 + P2 + P „ R = R + P = P , + P , 2 + P , + P ,, & c . = & c . R‚¬ ‚ = P1 + P2 + P2 ...
Сторінка 20
... third transversely . But by Article 19 , this last mentioned change , altering the common direction of the parallel pres- sures through the body without altering their amounts or their 20 THE CENTRE OF GRAVITY . The Centre of Gravity.
... third transversely . But by Article 19 , this last mentioned change , altering the common direction of the parallel pres- sures through the body without altering their amounts or their 20 THE CENTRE OF GRAVITY . The Centre of Gravity.
Сторінка 25
... common centre of gravity is K , .. GK × 3A + A = GA × A , .. 4GK = GA or GK GA . * = [ Q.E.D. ] 27. The centre of gravity of a pyramid with a polygonal base is situated at a vertical height from the base , equal to one fourth the whole ...
... common centre of gravity is K , .. GK × 3A + A = GA × A , .. 4GK = GA or GK GA . * = [ Q.E.D. ] 27. The centre of gravity of a pyramid with a polygonal base is situated at a vertical height from the base , equal to one fourth the whole ...
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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