A balanced lever has two weights on it, the first with mass #34 kg # and the second with mass #68 kg#. If the first weight is # 3 m# from the fulcrum, how far is the second weight from the fulcrum?
The second weight
The balanced lever is a simple scale in this configuration.
If the two weights balance each other then the distance from the fulcrum to each must be in proportion to the two weights.
We were told that: