Physics — Free-body: climber in a chimney
Friction on both walls supports the climber's weight.
Make it your own.
title "Climber bracing in a chimney"
body C at 360,280 size 100,140 label "climber"
force W on C vector 0,150 color red label "mg"
force Nl on C vector 130,0 color blue label "N (left wall)"
force Nr on C vector -130,0 color blue label "N (right wall)"
force f on C vector 0,-150 color green label "friction (both walls)"