div class=ts-pagebutton class=gotoPage data-page=1Page 1button div class=ts-imagea href=https:reader040vdocumentsusreader040viewer20220220175b837f5c7f8b9adc698d3475html5page1jpg target=_blank img data-url=-a-board-of-mass-m-20-kg-serves-as-a-seesaw-for-two-children-pivothtmlpage=1 data-page=1 class=ts-thumb lazyload alt=Page 1: physics16weeblycomphysics16weeblycomuploads598559854633230c9giancoli255pdf · A board of mass M = 20 kg serves as a seesaw for two children pivot At what distance loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader040vdocumentsusreader040viewer20220220175b837f5c7f8b9adc698d3475html5thumbnails1jpg width=140 height=200 adivdiv