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)
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
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