Elements of graphic dynamics; an elementary textbook for students of mechanics and engineering (1919)
Andrews, Ewart S. (Ewart Sigmund) · London, Chapman and Hall, Ltd. · leaf 99
he resultant of Vj^ and v^; if theresultant had been required, we should have drawn ab torepresent Vb as indicated in dotted lines, and ob would havegiven the resultant, and is the vector sum. It will be noticed that Vs is the vector sum of Vj^ and r^A,i.e. using the vector notation, Vb = Vj, +… … 60 redper sec O 44 Velocity of Train Fig. 49. The dotted lines B X and A Y, which are each parallelto a b, are the paths which B and A appear to take from Aand B respectively. Numerical Exampues.—(1) // a train is running at 30miles an hour, in what direction must a stone be thrown at avelocity of…
Mechanics, Applied · Dynamics · Graphic methods
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