Philosophical instructor, or, Webster's elements of natural philosophy : subdivided into principles and illustrations ; intended for academies, medical schools, and the popular class-room (1824)
Eaton, Amos, 1776-1842, Webster, John, fl. 1804-1824 · Albany : Printed by Websters and Skinners ... · leaf 42
40 CENTRE OF GRAVITY. broad, and the line of direction falls in the centre $consequently the more narrow the base, and the morethe line of direction approaches its extremity, thegreater is its danger of falling. If a piece of board be placed on the edge of a tableand the line of gravity fall…
Physics
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