Question

How can a small boy balance a big boy on a sea saw?​

Answer 1

Answer:

Answer: Say the big boy is 40kg and the small boy is 20kg... ... ...then by the rule that moments around a fulcrum or pivot should be equal for equilibrium, the distance of big boy from pivot=half of dist of small boy from pivot

Answer 2

Answer:

If the big boy weighs 30 kilograms and the small boy weighs 15 kilograms, the distance between the two boys must be equal for equilibrium, hence the big boy's distance from the pivot must be half of the small boy's distance.