Elements of Natural Philosophy

angle angular velocity applied atmosphere axis body cast iron catenary centre of gravity centrifugal force centripetal force coefficient coefficient of friction column components compressed cord curve Denote density diameter displaced fluid distance Ditto ditto divided elastic elementary equal equation equilibrium example exerted feet fluid force of gravity friction give hence horizontal inches inertia instant intensity latter length living force mass measure mercury moment of inertia motion motive force multiplied orifice oscillation parallel particles path described pendulum perpendicular piston plane point of application polygon portion pounds pressure proportional quantity of action R₁ radius ratio resistance resultant right line rope rotation solid specific gravity stratum substituted suppose surface t₁ tangent temperature tension tion triangles trunnion tube unguent unit V₁ vertical vessel volume wedge weight wheel whence zero