A text book of elementary mechanics, for the use of colleges and schools (1881)
Dana, Edward Salisbury, 1849-1935 · New York, J. Wiley & sons · leaf 192
material lines parallel to DB, the centre of gravity ofeach—that is, of the whole figure—must be in AC. Inthe same way it may be shown to lie in DB, and there-fore it must be at their point of intersection G. It may also be shown that the same point is deter- 174 STATICS. [166 mined by the…
Mechanics
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