Interactive Science exhibits, ideated and fabricated to inclucate and invigorate the young minds about Science !!

Third order lever

Here is an arrangement of third order lever. There are three arms of equal lengths fitted with three equal weights. The fulcrum is at one end and the load is at the other. In between, we are applying our effort.

What did you observe? 
When you try to lift the weights one by one, there is difference in the effort for each, even though the load is same.

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