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Exercise 1
An object has a weight of 16kg and a volume of 14dm³. How much is its weight under water? (ro = 1000kg/m³)/m³)
The object will have a weight of 2kg.
It will move 14dm³ water
and 14dm³ = (liter) has a weight of 14kg
So the object apparently lost 14kg of its weight.
16kg-14kg=2kg.