Elements of graphic dynamics; an elementary textbook for students of mechanics and engineering (1919)
Andrews, Ewart S. (Ewart Sigmund) · London, Chapman and Hall, Ltd. · leaf 81
is thus a right angle ; the angle OPE is aright angle for the same reason, so that E P is parallel toAG. The As OEP, BAG have their sides mutually parallel,so that they are similar. Moreover, by the constructionO E = B A, so that the triangles are equal in all respects. .-. 0 P = C D. 70 GRAPHIC… … Fig. 36.—Polar Diagram for Two Simple Harmonic Motionsin Phase. In the case, therefore, of two synchronous simple harmonicmotions, the relative effect is also a simple harmonic motionsynchronous with the other two and of amplitude equalto the difference between the amplitudes of the…
Mechanics, Applied · Dynamics · Graphic methods
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