[" maxinum from the same position of the fact reaching "],[" the work from the same position of the laute "],[" 43.A "6.5m" long ladder "A60kg" man stands half way up the "],[" ladght of "6.0m" .A "60kg" man sthe force exthe ladder."],[" lader.(a) Find the torque the upper end of the laddigible "],[" man on the ladder about the upper end of the ladigible "],[" (b) Assuming the weight of the ladder to be negligh to be "],[" as compared to the man and assuming the wall to be "],[" smooth,find the force exerted by the ground on the "],[" ladder."]