# 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 :