International Library of Technology · Scranton, International Textbook Co. · leaf 385
llustrates a case of circular motionwhich differs in many features from the first two considered.Here the lines of force are parallel to each other and atright angles to the axis of rotation; consequently, the anglebetween the direction of motion and the direction of thelines of force changes at… … 1918 APPLIED ELECTRICITY. a straight line tangent to the circle at that point, and a cer-tain length may be assignedto this line which will representthe velocity of the moving con-ductor. Thus, at the instantwhen the conductor is at thepoint a (Fig. 1133) of its path,the line representing its…
Electrical engineering
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