Elements of Natural Philosophy |
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Page 64
... Centre of Inertia or Mass of a system of equal material points ( whether connected with one another or not ) is the ... centre of inertia of a system of material points , whether given equal or not . The result is equivalent to this ...
... Centre of Inertia or Mass of a system of equal material points ( whether connected with one another or not ) is the ... centre of inertia of a system of material points , whether given equal or not . The result is equivalent to this ...
Page 65
William Thomson Baron Kelvin, Peter Guthrie Tait. Centre of Inertia ; but it must be carefully remembered that the fun- damental ideas involved in the two definitions are essentially different . The second proposition in § 194 may now ...
William Thomson Baron Kelvin, Peter Guthrie Tait. Centre of Inertia ; but it must be carefully remembered that the fun- damental ideas involved in the two definitions are essentially different . The second proposition in § 194 may now ...
Page 66
... inertia about a parallel axis through the centre of inertia , I , together with the moment of inertia , about the first axis , of the whole mass supposed condensed at I. 199. The Moment of any physical agency is the numerical mea- sure ...
... inertia about a parallel axis through the centre of inertia , I , together with the moment of inertia , about the first axis , of the whole mass supposed condensed at I. 199. The Moment of any physical agency is the numerical mea- sure ...
Page 69
... centre of inertia might fairly be considered as absolutely at rest ; or it might be imagined to be moving with any uniform velocity in any direction whatever through infinite space . But it is remarkable that the first law of motion ...
... centre of inertia might fairly be considered as absolutely at rest ; or it might be imagined to be moving with any uniform velocity in any direction whatever through infinite space . But it is remarkable that the first law of motion ...
Page 70
... moment of momentum of the universe ( if finite ) round its centre of inertia is the greatest , which is clearly determinable from the actual motions at any instant , is fixed in direction in space . 212. We may logically convert the ...
... moment of momentum of the universe ( if finite ) round its centre of inertia is the greatest , which is clearly determinable from the actual motions at any instant , is fixed in direction in space . 212. We may logically convert the ...
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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 corresponding 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 formulae friction geometrical given force Hence hodograph horizontal inclined infinitely small instant inversely kinetic energy length magnitude mass matter measured moment of inertia momentum moving normal section P₁ parallel parallelogram particle path pendulum perpendicular plane perpendicular portion position pressure principal axes principle produce projection proportional quantity radius radius of gyration reckoned rectangular relative 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 tion torsion uniform unit vertical vibrations weight whole wire