Mechanics Applied to EngineeringLongmans, Green and Company, 1904 - 770 страници |
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... equal spaces in equal intervals of time . The Space in feet . 3 2 4 5 9 7 8 9 4 feet per second 2 feet per second I foot per second 2 3 Time in seconds Uniform speed . FIG . 1 . 4 . 5 body is said to have unit speed when it traverses ...
... equal spaces in equal intervals of time . The Space in feet . 3 2 4 5 9 7 8 9 4 feet per second 2 feet per second I foot per second 2 3 Time in seconds Uniform speed . FIG . 1 . 4 . 5 body is said to have unit speed when it traverses ...
Страница 3
John Goodman. Varying Speed . - When a body does not traverse equal spaces in equal intervals of time , it is said to have a varying speed . The speed at any instant is the space traversed in an exceedingly short interval of time divided ...
John Goodman. Varying Speed . - When a body does not traverse equal spaces in equal intervals of time , it is said to have a varying speed . The speed at any instant is the space traversed in an exceedingly short interval of time divided ...
Страница 4
... equal in length to the radius . The length of a circular arc subtending an angle 6 ° is 2πr X 0 ° 360 ° where π is the ratio of the circumference to the diameter ( 27 ) of a circle , and is the angle subtended ( see p . 22 ) . Then ...
... equal in length to the radius . The length of a circular arc subtending an angle 6 ° is 2πr X 0 ° 360 ° where π is the ratio of the circumference to the diameter ( 27 ) of a circle , and is the angle subtended ( see p . 22 ) . Then ...
Страница 8
... equal and opposite forces at the same instant , the one would have tended to accelerate the body backwards ( termed a negative acceleration , or retardation ) just as much as the other tended to accelerate it forwards , with the result ...
... equal and opposite forces at the same instant , the one would have tended to accelerate the body backwards ( termed a negative acceleration , or retardation ) just as much as the other tended to accelerate it forwards , with the result ...
Страница 9
... equal and opposite negative acceleration . If the velocity of the train be constant , the whole effort exerted by the engine is expended in overcoming the frictional resistance , or the negative accelera- tion . If the positive ...
... equal and opposite negative acceleration . If the velocity of the train be constant , the whole effort exerted by the engine is expended in overcoming the frictional resistance , or the negative accelera- tion . If the positive ...
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acceleration angle angular velocity balance weight balls beam bearing bending bending moment bending-moment diagram body Calculate cent centre of gravity centrifugal circle coefficient compression connecting-rod constant crank Crown 8vo curve cylinder deflection diameter direction distance efficiency elastic limit ELEMENTARY energy engine equal feet per second Find flange flywheel force acting given governor hence horizontal Illustrations increase inertia length load material maximum mechanism metal method moment of inertia neutral axis orifice parallel pipe piston plane plate polygon pressure pulley pump R₁ radius of gyration ratio revolutions per minute rivets rotation shaft shear shear stress shown in Fig side speed square inch strain stress stroke strut surface tangent tensile tensile stress tension tons per square triangle turbine V₁ valve vanes varies vertical virtual centre W₁ Watt governor wheel Young's modulus
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