A balanced lever has two weights on it, the first with mass 9 kg and the second with mass 32 kg. If the first weight is 6 m from the fulcrum, how far is the second weight from the fulcrum?
2 Answers
Feb 25, 2016
Explanation:
For a balanced lever the torque on the two ends must be equal.
Torque can be defined as
So
or for the given data:
Feb 25, 2016
Second weight is
Explanation:
Let the the second weight be
As the lever is balanced, moment (
Moment of first weight is