Elements of Natural Philosophy, 1. bölüm

acceleration action amount angular velocity attraction autotomic axes axis called centre of gravity centre of inertia centrobaric circle co-ordinates component constant corresponding cosines couple curvature curve cylinder denote density diagram direction displacement distance elastic electricity elements ellipsoid equal equations equilibrium equipotential surface external point fixed flexure fluid forces acting formulae friction geometrical given force Hence inclined infinitely small instance inversely kinetic energy length magnitude mass matter measured moment of inertia moving observation P₁ P₂ parallel parallelogram parallelogram of forces particle pendulum perpendicular portion position potential pressure produce projection proportional quantity radius radius of gyration reckoned rectangular resultant force right angles rigid body rotation round screw shell sides simple harmonic motion solid solid angle space spherical surface spiral square straight line strain stress suppose tangent theorem torsion uniform unit vertical whole wire