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 171
rotation ;it is easier to explain this statement by reference to a diagram 160 GRAPHIC DYNAMICS than to make it clear in words. The fine lines in Fig. 88denote this plane, and we will use the term elevationto indicate a projection upon a plane at right angles to theaxis of rotation, and the term… … \—CM AElevation. Plan. Fig. 88.—Balancing Centrifugal Forces not in the Same Plane. Now in our case the centrifugal forces F at any instantwin be equal and opposite, but they will not neutraUse eachother because they are in different planes, and so give riseto what is known as a centrifugal couple,…
Mechanics, Applied · Dynamics · Graphic methods
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