Ziwet, Alexander, 1853-1928, Hopkins, Louis Allen, joint author · New York, The Macmillan company · leaf 213
t of the projection QiQi of the forceP1P2 about 0, or what is by definition the same thing, the moment ofPiP% about the axis Oz. Similarly, for 2.4,;, 2 Ay. The propositionmeans, therefore, that the moments of P1P2 about the axes Ox, Oy,. Ozlaid off as vectors along these axes can be regarded as… … 202 SOLID ANALYTIC GEOMETRY [X, § 212 212. Polar Coordinates. The position of any point P (Fig.116) can also be assigned by itsradius vector 0P= r, i.e. the dis-tance of P from a fixed origin orpole 0, and two angles: the eolati-tude 6, i.e. the angle NOP madeby OP with a fixed axis ON, thepolar…
Geometry, Analytic
Internet Archive · Cornell University Library · Public Domain Mark 1.0. Free to use for anything.
