Treatise on Natural Philosophy, Volume 1

action altered amount angular velocity anticlastic applied attraction axis centre of inertia change of direction circle co-ordinates coefficients condition configuration constant corresponding couple course curvature curve degrees of freedom denote density displacement distance dt dt dx dx dx dy dz dy dy elastic ellipsoid elongation equal equations of motion equilibrium expression finite fixed flexure fluid force friction function given gravity Hence impulse infinitely small instant integral kinetic energy length mass matter measure moment of inertia momentum moving normal section osculating plane parallel particle perpendicular polygon portion position potential energy principal axes problem produced quantity radius ratio reckoned rectangular resultant right angles rigid body rotation round shear simple harmonic motions simple shear solid solution space sphere spherical harmonic spherical surface strain suppose synclastic tangent plane theorem tion uniform unit whole wire аф