Elements of Natural Philosophy, Volume 1 |
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... elements were accurately known , it could not be said that we had attained any idea of an absolute velocity ; for it is only the sun's relative motion among the stars that we can observe ; and , in all probability , sun and stars are ...
... elements were accurately known , it could not be said that we had attained any idea of an absolute velocity ; for it is only the sun's relative motion among the stars that we can observe ; and , in all probability , sun and stars are ...
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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