International Library of Technology · Scranton, International Textbook Co. · leaf 161
eforces acting on its poles or ends, since the lines of force actin a parallel direction ; this results in turning the magnetabout its center, if the magnet is free to move, until theforces act in a direct line with the center, when it can nolonger move. This is illustrated by the magnet in… … 2463. Fig. 980 illustrates this action. The direction of the earths field of force is represented by the line a b. A bar magnet, N S, placed across this line at an angle with it will have equal and opposite forces acting upon the poles N and S, as shown by the arrows. These forces may be considered…
Electrical engineering
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