5、youthrowaballup,itwillcomedownagain.Whatmakesitcomedown?Theballcomesdownbecauseitispulledorattractedtowardstheearth.Theearthhasaforceofattractiononallobjects.Objectsthatarenearertotheearthareattractedtoitwithagreaterforcethanthosethatarefartheraway.Thisforceofattractionisknownastheforceofgravity. T