Question

A see saw is balanced in the middle. Two children of mass 30 kgf and 40 kgf are sitting trying to sit on the seesaw such that it will be balanced. If the see saw is 4 m in length, and boy of 30 kgf is sitting on one end from the middle, then where should the other boy sit to balance the arrangement?

Draw the arrangement after finding the final answer

Answer 1

Answer is 12/7 metres

as torques should be equal