Elements of Natural Philosophy, Volume 1 |
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Page 64
... Potential Energy ( § 239 ) , if its physical conditions are such that these forces will act equally , and in the same directions , if the motion of the system is reversed . Thus there may be no change of kinetic energy produced , and ...
... Potential Energy ( § 239 ) , if its physical conditions are such that these forces will act equally , and in the same directions , if the motion of the system is reversed . Thus there may be no change of kinetic energy produced , and ...
Page 74
... potential energy , so that the potential energy , in every other configuration practically considered , shall be positive . 246. The potential energy of a conservative system , at any instant , depends solely on its configuration at ...
... potential energy , so that the potential energy , in every other configuration practically considered , shall be positive . 246. The potential energy of a conservative system , at any instant , depends solely on its configuration at ...
Page 75
... potential energy depending on the latter cause , will be a function of the distance between their centres and the in- clination of this line to the direction of the terrestrial magnetic force . 247. In nature the hypothetical condition ...
... potential energy depending on the latter cause , will be a function of the distance between their centres and the in- clination of this line to the direction of the terrestrial magnetic force . 247. In nature the hypothetical condition ...
Page 77
... potential and kinetic energies would be the same at all times : in other words , that every material system subject to no other forces than actions and reactions between its parts , is a dyna- mically conservative system , as defined ...
... potential and kinetic energies would be the same at all times : in other words , that every material system subject to no other forces than actions and reactions between its parts , is a dyna- mically conservative system , as defined ...
Page 78
... potential and kinetic energy produced in the system , together with the work lost in friction . 253. This principle may be regarded as comprehending the whole of abstract dynamics , because , as we now proceed to show , the con- ditions ...
... potential and kinetic energy produced in the system , together with the work lost in friction . 253. This principle may be regarded as comprehending the whole of abstract dynamics , because , as we now proceed to show , the con- ditions ...
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Common terms and phrases
acceleration action amount angular velocity anticlastic attraction axis called centimetre centre of gravity centre of inertia circle circular co-ordinates component configuration consider constant cosine couple curvature curve cylinder denote density described diagram displacement distance ellipse ellipsoid elongation equal equations equilibrium external point finite fixed point flexure fluid forces acting friction geometrical given force Hence hodograph horizontal infinitely small instant inversely kinetic energy length magnitude mass matter measured moment of inertia momentum moving normal section P₁ P₂ parallel parallelogram of forces particle path pendulum perpendicular plane perpendicular portion position potential pressure principal axes principle produce projection proportional quantity radius radius of gyration reckoned rectangular right angles rigid body rotation round shear shell sides simple harmonic motion solid angle space spherical surface spiral square straight line strain stress suppose tangent theorem theory tion torsion uniform unit vertical whole wire