div class=trans-pagebutton class=gotoPage data-page=1Page 1button div class=trans-imageimg data-url=documentnormal-force-friction-friction-coefficient-of-frictionhtmlpage=1 data-page=1 class=trans-thumb lazyload alt=Page 1: normal force friction friction coefficient of friction loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mM8Uw8AAh0BTZud3BwAAAAASUVORK5CYII= data-src=https:reader030fdocumentsusreader030viewer20220211096205c9e91945bb4f5569fab6html5thumbnails1jpg width=140 height=200 divdiv