Henderson, C. Hanford (Charles Hanford), 1861-1941, Woodhull, John F. (John Francis), 1857-1941 · New York, D. Appleton and company · leaf 83
turn about a point has frequently to beconsidered in mechanics, and is measured in a special wayby means of the mechanical moment. One can not speak ofthe moment of a motion, velocity, or force in the abstract,but must always speak of the moment with respect to someparticular point. The moment is… … Fig. 24.—Mechanical moments. In the first case an irregular stone, whose center ofgravity is at c, is given motion in the direction a b. Themoment of the motion a b with respect to c is a b X c d. Inthe second case a crank handle is fixed at c\ and a weight,w, is hung from d. The moment of w with…
Physics
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