A boy of mass 23 kg sits on a seesaw 1.5 m from the axis of rotation. At what

distance from the axis of rotation must his friend, whose mass is 21 kg, be
positioned to balance the seesaw? [6 marks]

2 answers

Equate moments about fulcrum:
23*1.5=21*x
Solve for x.
I think its 1.64 metres