Free & floating

The earliest boats have been built from hollowed tree trunk, used for water transportation from 8200 and 7600 BC is the cheapest form of inland transportation till now. Boats played a very important role in commerce and trade around the world.

Posted for SundayStills challenge: ‘Boats’
Location: Cochin, kerala

Ever wondered, why do they float?

When i was in 4th grade my answer was ‘ they just float because since childhood they learned to float like that ‘
But in reality i learned that the boat is pushing down on the water and the water is pushing up. The water pushes up harder than the boat pushes down and so the boat floats. A boat floats when it has displaced just enough water to equal its own original weight – a principle called buoyancy.


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