Balancing Lever Problem: How Many Rings on Each Side?

[Marija]

Homework Statement

The problem:
a) The first photo (slika 1) displays a swing in balance, on which are put on two rings. and an unknown object. How many rings need to be replaced on the right side, on the place of the unknown object, so the swing will stay in balance.
b) How many rings have to be put on the hanger on the second photo (slika 2), so the swing will be in balance?
(Photo in attachments)

Homework Equations

Mf=Mg, the rule of the lever

The Attempt at a Solution

I solved the first part of the problem and got 4 rings, but I don't know about the second part, except that the left and right side have to be equal. F=G

 

[jbriggs444]

It appears that we are to assume that it is the same unknown object for both parts of the problem. From the first part, you determined that the weight of the object is equal to that of four rings...