Question

A boy of mass 30 kg is sitting at a distance of 2 m from the middle of a see-saw. Where
should a boy of mass 40 kg sit so as to balance the see-saw?​

Answer 1

I think it should be doubled. So 4m.

Answer 2

Answer:

He should sit at a distance of 1.5 m

Explanation:

Force × Perpencdicular distance from the fulcrum By this formula we can get the answer