Susie and Sally are seated on opposing sides of a seesaw. Sally weighs 500 N and is seated a distance of 2 m from the fulcrum (point of rotation). Susie weighs 450 N and is seated a distance of 2.5 m from the fulcrum. Who is being lifted upward?

Answer 1

Susie's torque or "moment" about the fulcrum is 450*2.5 = 1125 N*m
Sally's torque is 500*2 = 1000 N*m
Susie will lift Sally