Moments Quiz App Download & PDF e-Book - 536

George has a weight of 500 N, which his half of his father's weight. He, his father and his uncle sit on a see-saw. If both George and his father sit on the right end of the see-saw, 5 m from the pivot, and his uncle's weight is same as his fathers, where should George's uncle sit in order to achieve a state of balance?

1. 7.5 m from the pivot, on the right end
2. 7.5 m from the pivot, on the left end
3. 5 m from the pivot, on the right end
4. 5 m from the pivot, on the left end