Attraction not modified by interposition - is normal to equipotential surfaces - - -- integral of normal, over a closed direct analytical calculation of 494 law of gravitation 475 of gravitating, electric, or magnetic - variation of, in crossing an attracting - of a circular arc for a particle at its - of a right cone for a particle at its -- -- of a cylinder on a particle in its axis of a cylindrical distribution of matter of a uniform circular disc on a par- of an infinite disc 494 of two equal uniform discs, one posi- of an Ellipsoid 535, 537; of homo- of an ellipsoidal shell 535; on an in- - of a uniform limited straight line on - of a mountain on a plumb line at the top and the bottom of a pit of infinite parallel planes 508 of a sphere composed of concentric of a uniform sphere on an external cor.. - of a uniform sphere 534, 541 Circuit, linear 443; autotomic 443 Circular measure, unit of 357 Clairault's formula for the amount of gravity at a place 187 Clocks 367 Closed curve 443 polygon 443 Closed surface, ff Ndo, over a 510 Coefficient of elasticity 265 note, 644 Comet, hodograph of orbit of 49 Conditions of equilibrium of a particle Confocal ellipsoids, corresponding points Conservation of energy 250 Constraint of a point 165, of a body Conversion of units:-pounds per sq. Cosines, sum of the squares of the direc- - composition of in same or parallel curvature II; continuous 35; closed Curves use of, in representing experi- Cycloid 66, 103; properties of 104; D'Alembert's Principle 230 Density 174; linear, surface, volume, Direction of motion 8 Direction of rotation, positive 455 of, equal to unity 460; of the common plane 91, examples 96; of a rigid Dissipation of Energy, instances 247, Dissipative systems 292 Distortion, places of maximum, in a Distribution of the weight of a solid on Duhamel's application of Ivory's theo- Dynamometer 389, Morin's 389 Edge of regression 132 centre of a section of a wire 608; curve transmitting force and couple solid equilibrium of 667 Elasticity, co-efficient of 265 note; of Electric images 528; definition 530; Ellipsoid, Strain 141; principal axes Empirical formulae, use of 350 of energy of visible motion 247; po- Epoch in simple harmonic motion 71 Equations of motion of any system 258 Experiment and observation 324; rules for the conduct of experiment 325; use Flexible and inextensible line, Kine- and torsion 607; axes of pure flexure Fluid, properties of perfect 401, 684; case Forbes's use of Viscous in connection with glacier motion 683 of forces 221, 418, parallelogram and Force of gravity, Clairault's formula for Force, line of, definition 507, instance Force, tube of 508 Form of equilibrium of a rotating mass of fluid 711-719 Formulae, use of empirical, in exhibit- Freedom of a point, degrees of 165; of Friction brake, White's 390 Gauss's absolute unit of force 188; ory of, meaning of Viscous in 683 for 187, at Edinburgh, in Britain Gravity, centre of, and centre of inertia Green 501; problem in potential 517; Hamilton's Characteristic Function 283 Harton coal mine experiment 498 Homogeneous body 646 Homogeneous strain 135; see Strain Hydrodynamics 683; see Fluid Image, electric 528; see Electric im- Impact 259, duration of 259; time in- tegral 262; ballistic pendulum 263; |