Bartlett, W. H. C. (William Holms Chambers), 1804-1893 · New York : Barnes · leaf 269
OPHY. the action and ment by degrees as they ap- reactionvariable; ^^ t() ^ ^^ q£ ^^ est compression; so that F,although always represent-ing a number of poundsweight, is, nevertheless, nota fixed, but a variable quan-tity. We may disregard fora moment the body Q, andsuppose the force F appliedto… … measure of theforce of reaction; F = mv But the force F also acts upon the body Q, and turns itabout the axis A, generating in it, during the same in-terval of time t, an angular velocity v,; and the forces ofinertia thence arising, must be in equilibrio with the forceF; in other words, the sum of…
Mechanics · Acoustics · Optics
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