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

angular momentum

Here is a single seated merry-go-round. Sit and keep the two sliding weights away from the centre with the help of handles provided. Ask your friend to rotate it slowly and pull the weights towards the centre.

What did you observe? 
The speed of the merry-go-round increases automatically.

The science behind it :
As the concentration of mass increases at the rotating axis, the angular velocity and the angular momentum increases.

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