A text book of physics, for the use of students of science and engineering (1918)
Duncan, John, d. 1941, Starling, Sydney George, 1873- · London Macmillan · leaf 699
ul-tant motion will be an ellipse.Let the body start at themiddle position for the vibra-tion 2, and the end positionfor vibration 1. Its realposition is then given by Aand d2 ; it is therefore at O(Fig. 619). One-sixteenth of a vibra-tion later it will be at 1 ;given by ax and e2. Then at2, 3, 4,… … d. FIG. 619.—Two vibrations at right angles anddiffering in phase by n/2. ILni LISSAJOUS FIGURES 675 Thus, if the two component vibrations are in the same phase, the[resultant motion is a straight [line, but when they differ inphase by a quarter of a vibra-tion the resultant is an ellip-tical, or…
Physics
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