Motions Of 3 Points Small 320×215 Medium 640×430 Large 1024×689 Download Tiff Original 2400×1614 | (232.8 KB) Description Illustration showing three points a, b, and c in motion. The magnitude and direction of a and b are used to find the l.v. of c. Keywords component motions, force, forces, magnitude, parallel motion, resultant vector, vector addition, vectors Galleries Analytical Geometry Source: Peter Schwamb, S.B. And Allyne L. Merrill, S.B. Elements of Mechanism (New York, NY: John Wiley & Sons, Inc., 1904)