Mechanics Applied to EngineeringLongmans, Green and Company, 1904 - 770 страници |
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... increases in unit time - that is , if we take feet and seconds units , the acceleration is the number of feet per second that the velocity increases in one second ; thus , unit acceleration is an increase of velocity of one foot per ...
... increases in unit time - that is , if we take feet and seconds units , the acceleration is the number of feet per second that the velocity increases in one second ; thus , unit acceleration is an increase of velocity of one foot per ...
Страница 6
... increase of velocity . In Fig . 3 , the vertical distance of any point on any line ab from the base line shows the ... increases directly as the time . If the body start from rest , when v1 is the zero , mean velocity over any inter- val ...
... increase of velocity . In Fig . 3 , the vertical distance of any point on any line ab from the base line shows the ... increases directly as the time . If the body start from rest , when v1 is the zero , mean velocity over any inter- val ...
Страница 7
... increased from 7 ' , to 7 . The momentum before the blow = 99 after 39 Ma ' , = M72 The change of momentum due to the blow = M ( 71⁄2 — v1 ) The effect of the blow is termed an impulse , and is measured by the change of momentum ...
... increased from 7 ' , to 7 . The momentum before the blow = 99 after 39 Ma ' , = M72 The change of momentum due to the blow = M ( 71⁄2 — v1 ) The effect of the blow is termed an impulse , and is measured by the change of momentum ...
Страница 9
... increased . The work done by the engine over and above that expended in overcoming friction is stored up in the moving mass of the train as energy of motion , or kinetic energy ( see p . 14 ) . Force . Poundal . Dyne . Mass . One pound ...
... increased . The work done by the engine over and above that expended in overcoming friction is stored up in the moving mass of the train as energy of motion , or kinetic energy ( see p . 14 ) . Force . Poundal . Dyne . Mass . One pound ...
Страница 14
... increased , a body may be said to offer a resistance to having its velocity increased , this resistance is known as the inertia of the body . Inertia is sometimes defined as the capacity of a body to possess momentum.1 Moment of Inertia ...
... increased , a body may be said to offer a resistance to having its velocity increased , this resistance is known as the inertia of the body . Inertia is sometimes defined as the capacity of a body to possess momentum.1 Moment of Inertia ...
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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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