01MotionDiagrams

01MotionDiagrams - 01 Motion diagrams use movie to study...

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01 Motion diagrams use movie to study motion don't “pan” the camera! fixed time between frames usually 1/30 th of a sec strobe pictures are faster “faster” objects have greater position change between frames
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A. A B. B C. same D. not enough information Which car is going faster, A or B? Assume there are equal intervals of time between the frames of both movies.
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the particle model entire object replaced by point particle treats motion of entire body ignores rotation of object relative vibration of parts of object mark position of object in each frame with a demo: strobe
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details •• Is the particle above moving left or right? number the particle positions in sequence •1•2 •3 •4 •5 •6 •7 •8 •9 Is particle at rest? label “start” or “stop” if appropriate: start •1 •2 put marks as close as reasonable Does the particle retrace its path?
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01MotionDiagrams - 01 Motion diagrams use movie to study...

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