Elements of Natural Philosophy by William Thomson and Peter Guthrie Tait: Pt. 1, Parte 1

acceleration action amount angular velocity anticlastic attraction axis called Cambridge centre of gravity centre of inertia circle circular co-ordinates component configuration consider constant cosine couple curvature curve cylinder Demy Octavo denote density described diagram displacement distance ellipsoid elongation equal equations equilibrium external finite flexure fluid forces acting friction geometrical given force Hence horizontal infinitely small instant inversely kinetic energy length magnitude mass matter measured moment of inertia momentum moving normal section Octavo P. G. TAIT P₁ P₂ parallel particle path pendulum perpendicular portion position potential pressure principal axes principle produce projection proportional quantity radius radius of gyration reckoned rectangular resultant right angles rigid body rotation round shear shell sides simple harmonic motion solid angle space spherical surface spiral square St John's College straight line strain stress suppose tangent theorem theory tion torsion uniform unit vertical whole wire