Journal of the Association of Engineering Societies (1881)
Association of Engineering Societies (U.S.) · New York, [etc.] Board of Managers · leaf 225
DETERMINING MOMENT OF INERTIA. AS—A*'. d= k A 1. beins; the required moment of inertia about a gravity axis we have, = ^-<f^T], in which the areas to be measured are. A, the given area, and A' [A\ and » A?) and A" the two "constructed" areas. … If desired the area A ' may be first constructed and the center of grav- ity located, then a new axis taken through it and /, determined as in the first case. The first part of this construction then would give us a method for finding the center of gravity of a figure without considering the other…
Engineering
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