Newton-s-2nd-Law-of-Motion-Demonstration-Apparatus-RVFM-PH10410-p-This-apparatus-demonstrates-that-2-bodies-will-strike-the-floor-at-the-same-time-even-when-their-paths-of-flight-&-horizontal-velocity-components-are-different-The-2-balls-are-released-simultaneously-1-ball-is-released-to-drop-vertically-the-other-is-projected-horizontally-p-RVFM-Newtons-2nd-Law-of-Motion