Maurer, Edward R. (Edward Rose), b. 1869 · New York : John Wiley & sons, inc.; [etc., etc.] · leaf 292
s changing at the instantin question. When a point P is moving relative to a moving body B then the absolute velocityof P equals the vector sum of its relative velocity and the absolute velocity of thatpoint of B with which P coincides at the instant in question. For simplicity ofproof we take the… … Fig. 424 a particular time /i, and Bdi the position of 5 at a later time ^2; also Pi and P2respectively, the positions of P at those times. Let M be the point of B withwhich P coincides at time ti. At time /i, M is at Mi (under Pi); and at time/2, M is at M2. Then for the interval t^ — ti the…
Mechanics
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