Is at a position 2,000 yards astern, its initial position would be 270 degrees T If you (on Ship 1) are moving due east, and Ship 2
Would make with reference to you in that 20 minutes. On Ship 1, and try to picture what movement Ship 2 Should be able to ascertain that relative motion. If you establish a relative plot of one object with Picture Ship 2, starting from initial position a,Īstern of Ship 1, and arriving 20 minutes later at position b, 2,000Īnalyzing the original definition of relative motion, it is obvious that The initial position of Ship 1 is at the point A. Moving in a general easterly course, during a period of 20 minutes. Motion as applied to moving ships, imagine two ships in the positions Realizing that relative motion is caused by two actual movements, let us These three definitions then, collectively make up relative motion. Relative distance is the distance one object moves with respect to Relative speed is the speed with which one object moves with respect to
Relative direction is the apparent direction of one object's movement Imply relative direction, relative speed, and relative distance, which are The word motion implies direction, speed, and What is meant by relative motion? It is the resultant of two actual Is therefore required that all personnel should be capable of using it The basic method of solution of relative motion problems utilizes the Varied applications of this important principle. Information Center, from the operator to the Captain, have a thorough Hence, it is necessary that all personnel Their determination and execution, deal with relative motion that which Relative motion, even though we do not realize it. Crossing a busy street safely, intercepting theīall in a football game, running to catch a ball, all of these activities Note: Plotting symbols and standards may be found in RADFIVE, The Surface Plotting Manual.įunding course and speed of the maneuvering shipĪll of us at one time or another have solved problems in relative motion, RELATIVE MOTION-COMBAT INFORMATION CENTER
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