A balanced lever has two weights on it, the first with mass 15kg and the second with mass 9kg. If the first weight is 4m 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