A boy of mass 40kg sits at a point of 2.0m from the pivot of a see saw .Find the weight of a girl who can balance the see saw by sitting at a distance of 3.2m from the pivot(g=10N/Kg)

Answer 1

balance the w1 d1 = w2 d2
40g*2 = w2*3.2

Answer 2

the solution