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

gear train

Here is a Gear Train. Hold the handle and rotate it slowly. When you complete a rotation of the handle, observe the number of rotations taken by the other gear.

What did you observe? 
For one complete rotation of the gear, the second one completes nearly 3 rotations.

The science behind it :
The gear wheels exhibit the relationship of speed and torque. Such gear trains are used in the machineries to increase the speed of torque.

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