Physics — Free-body: lever (moments)
A lever balanced about a pivot — principle of moments.
Make it your own.
title "Lever in equilibrium"
body L at 200,240 size 70,40 label "load"
body F at 360,260 size 30,30 label "pivot"
body E at 520,240 size 70,40 label "effort"
force WL on L vector 0,120 color red label "load"
force WE on E vector 0,120 color blue label "effort"
force R on F vector 0,-150 color green label "reaction"