A balanced lever has two weights on it, the first with mass #15 kg # and the second with mass #9 kg#. If the first weight is # 4 m# from the fulcrum, how far is the second weight from the fulcrum?
1 Answer
Dec 9, 2016
The distance is
Explanation:
The moments on both sides of the fulcrum must de equal on equilibrium.
So,
Moment of first weight
Moment of the second weight
Where
On equilibrium