Lessons in Applied MechanicsMacmillan, 1891 - 512 páginas |
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Página 40
... balance the outside pressure . But if now Fig . 36 . we apply heat to the fluid , then its elasticity will be kept up , and it will continue to exert an effort and drive the piston forward to an extent limited only by the length of the ...
... balance the outside pressure . But if now Fig . 36 . we apply heat to the fluid , then its elasticity will be kept up , and it will continue to exert an effort and drive the piston forward to an extent limited only by the length of the ...
Página 53
... balance the effort . As the effort increases so does the friction , until it reaches a certain limiting value , beyond which it cannot go ; any further increase of effort then causes motion . This limiting value is called the Friction ...
... balance the effort . As the effort increases so does the friction , until it reaches a certain limiting value , beyond which it cannot go ; any further increase of effort then causes motion . This limiting value is called the Friction ...
Página 59
... . , and thus we call this a case of Balanced Forces . The balance is in this case plain , effort and resist- ance being directly opposite and equal in amount . But it will not in all cases be so evident , CHAP . III 59 WORK AND ENERGY.
... . , and thus we call this a case of Balanced Forces . The balance is in this case plain , effort and resist- ance being directly opposite and equal in amount . But it will not in all cases be so evident , CHAP . III 59 WORK AND ENERGY.
Página 60
... balance without such equality of effort and resistance in lbs . as we have here ( see turning pair , page 64 ) . To ... Balanced Forces . Now , if the forces are balanced , there is no excess left to produce changes in the body moved ...
... balance without such equality of effort and resistance in lbs . as we have here ( see turning pair , page 64 ) . To ... Balanced Forces . Now , if the forces are balanced , there is no excess left to produce changes in the body moved ...
Página 61
... balance , but not at each instant . This we shall not now inquire into , but only note it to show that the simple statement of the principle applies to such cases , i.e. motion from rest to rest again . In the two cases of sliding we ...
... balance , but not at each instant . This we shall not now inquire into , but only note it to show that the simple statement of the principle applies to such cases , i.e. motion from rest to rest again . In the two cases of sliding we ...
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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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