A balanced lever has two weights on it, the first with mass 14kg and the second with mass 29kg. If the first weight is 3m from the fulcrum, how far is the second weight from the fulcrum?

1 Answer
Gió
Dec 13, 2015

I found 1.4m

Explanation:

As a roule of thumb consider the ratio of masses;
in this case you can compare the masses and see if there is a relation between them: in this case one is twice the other so the distance should be half.

In your case (to be more precise) you can consider the resultant of the torques:

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