"lami theorum" is bout a thang yu balans with three foerses
normally, 1 forers=gravity=wate=it pull down
Then other 2 forers gotta balans so thang sit still
vertikal kompoent av other 2 gotta balans wate
horizonal komponent gotta kansel eech other
Thank av it as a wate (sucha as a bolt or washer) on a string & yukan muev it
tu diff spots. Then string on 2 sides chaenj as yu slide wate