Mechanics and heat; a text book for collleges and technical schools (1916)
Franklin, William S. (William Suddards), 1863-1930, Macnutt, Barry, 1878-1936, [from old catalog] joint author · New York, The Macmillan company; London, Macmillan & co., ltd. · leaf 58
applies to the timevariation of any vector whatever. Thus if any varying vector is represented toscale by a line drawn from a fixed point, then the velocity of the end of the linerepresents the rate of change of the vector to the same scale that the line itself rep-resents the vector. PHYSICAL… … Fig. ga. Fig. 9&. velocity Av shown in the figure, and the acceleration, a, of the ballis equal to Av/At which is of course in the direction of Av. Ifthe varying velocity of a tossed ball be represented by a line OP,Fig. gb, drawn from a fixed point 0; then, as the velocity changesthe line OP…
Mechanics · Heat
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