div class=ts-pagebutton class=gotoPage data-page=1Page 1button div class=ts-imageimg data-url=127-since-the-puck-is-frictionless-the-net-force-on-it-is-zero-and-as-seenhtmlpage=1 data-page=1 class=ts-thumb lazyload alt=Page 1: archivesevergreeneduarchivesevergreeneduwebpagescurricular2008 · 127 ** Since the puck is frictionless the net force on it is zero and as seen from the ground it travels loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader033vdocumentssitereader033viewer20220416195e3dfe71a0a31e58f944936bhtml5thumbnails1jpg width=140 height=200 divdiv