Elements of Natural Philosophy, Volume 1

acceleration according acting action amount angle angular applied attraction axes axis body called Cambridge centre circle component condition consider constant corresponding couple course curvature curve denote density described determined direction displacement distance divided Edited effect elastic elements energy equal equations equilibrium evidently experiment expression figure fixed fluid force friction give given gravity harmonic Hence important inertia infinitely small instant interval kinetic length less magnitude mass matter mean measured method motion moving natural normal Notes observation opposite parallel particle passing path period perpendicular plane portion position potential practical pressure principle produce projection proportional quantity radius reference relative remain respectively rest resultant right angles rigid rotation round sides simple solid space spherical square straight strain suppose surface turned uniform unit University velocity weight whole wire