A balanced lever has two weights on it, the first with mass 3 kg and the second with mass 1 kg. If the first weight is 7 m from the fulcrum, how far is the second weight from the fulcrum?
1 Answer
Jan 3, 2016
Explanation:
We apply the second condition for static equilibrium which states that the result torque (moments) must be zero,
ie.
So in this case :