Dunkerley, Stanley, 1870- · London, New York [etc.] Longmans, Green · leaf 358
ously true, because if the points I and m have a componentrelative velocity along the common normal, the surfaces wouldeither separate from, or penetrate into, each other. Thus, usingthe notation of Chap. V., the velocity diagram is as shown infig. 384, in which ipl denotes the velocity of I about… … Fio. 384. 348 MECHANISM. drawn parallel to the common normal to intersect P2D in 0, thetriangle PiCD is similar to the triangle Imp (since correspond-ing sides are perpendicular to each other), and may thereforebe looked upon as the triangle of velocities; consequently, ifPiD represent the velocity…
Machinery, Kinematics of
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