TheresearchaboutmotionoffallingbodiesInthepast,itisunbelievablethatweuse‘displacement’、‘velocity’、‘speed’、‘acceleration’,,afteritisreleased,quicklyreachessomefinalspeed,,,,theheaviertheobject,,,?Howwouldobjectsfallthroughavacuum?Aristotlearguedthatallbodies,inavacuum,beingunresisted,,likemostotherancientGreeks,,GalileopublishhisworkDialoguesConcerningTowNewSciences,inwhichhedidagreatste
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