A girl who sat 2.5 metres away from the fulcrum of a seesaw is balanced by her aunt weight 65kg sitting 1.5 metres from the fulcrum find the weight of the girl

2 answers

What is the answer
no, you mean, what is the method ...
m1 * d1 = m2 * d2
That is,
m1 * 2.5 = 65 * 1.5
Now just find m1