GYANPRO

SCIENCE PARK

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

Straight bar passing parabola

Here, a parabola shaped groove is made on either side of a rotating axis fitted with a straight bar. Rotate the handle and observe.

What did you observe? 
Without any hindrance, the straight bar passes through the parabola on both the sides.

The science behind it :
The geometry of parabola is such that the tangent passing through one point of parabola can pass all the points in the same parabola.

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