Lessons in Applied MechanicsMacmillan, 1891 - 512 páginas |
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Página 20
... pull of the traces or in a railway by the wheels . In all these cases there is perfect freedom of motion away from the earth if sufficient force be applied , but such force not being applied , the weight of the bodies acts as if a guide ...
... pull of the traces or in a railway by the wheels . In all these cases there is perfect freedom of motion away from the earth if sufficient force be applied , but such force not being applied , the weight of the bodies acts as if a guide ...
Página 43
... pull on the peg is 10 pounds . Now , there is a theoretical drawback to the use of the gravitation unit , which is , that the force exerted by gravity on the lump of metal is not a constant one at different parts of the earth's surface ...
... pull on the peg is 10 pounds . Now , there is a theoretical drawback to the use of the gravitation unit , which is , that the force exerted by gravity on the lump of metal is not a constant one at different parts of the earth's surface ...
Página 51
... pull of the cord on CD . The ratio of P to W is called the Coefficient of Friction , and we shall see on what the value of it depends . Calling the coefficient ƒ we have P = ƒ W. First , keeping the surfaces in contact the same , how ...
... pull of the cord on CD . The ratio of P to W is called the Coefficient of Friction , and we shall see on what the value of it depends . Calling the coefficient ƒ we have P = ƒ W. First , keeping the surfaces in contact the same , how ...
Página 55
... pull of 166 lbs . , and at 4 miles per hour a pull of 83 lbs . Find the total load he can move at those speeds on a road . Ans . 3 tons and 1 ton . CHAPTER III WORK AND ENERGY THE effect produced by the CHAP . II EFFORTS & RESISTANCES ...
... pull of 166 lbs . , and at 4 miles per hour a pull of 83 lbs . Find the total load he can move at those speeds on a road . Ans . 3 tons and 1 ton . CHAPTER III WORK AND ENERGY THE effect produced by the CHAP . II EFFORTS & RESISTANCES ...
Página 59
... pull of the earth of 1 lb. , in fact the last statement is included in the preceding one . We can then , if we please , dis- sociate the unit from the idea of lifting , and define it simply as the work done , or energy exerted in ...
... pull of the earth of 1 lb. , in fact the last statement is included in the preceding one . We can then , if we please , dis- sociate the unit from the idea of lifting , and define it simply as the work done , or energy exerted in ...
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Términos y frases comunes
action actual angular velocity applied axle balance beam bearing belt bending body boom called centre circle coefficient compression connecting rod consider constant crank effort crank pin curve cylinder diagram diameter distance draw effect elastic Energy exerted engine equal equation example feet flange foot length friction ft.-lbs girder given hence Hooke's Law inch joint length lift load mean mean effective pressure measure moment of inertia moving neutral axis obtain ordinates parallel piece piston position plane practically preceding pressure produced pull pulley radius radius of gyration relative motion represent resistance result revolution revolutions per minute right angles rivet rope rotating scale screw shaft shearing shown simply sliding pair speed steam stress stroke surface tension tons turning pair velocity ratio W₁ weight wheel whole
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