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Archimedes' Principle

When an objec...

Question

When an object is immersed in water, it displaces $20 k g$ of water. How much is the buoyant force acting on the object in Newtons?

A

100

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B

200

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C

0

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D

400

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Solution

The correct option is A $200$
According to the Archimedes principle, the buoyant force acting on an object immersed in liquid is equal to the weight of liquid it displaces. Hence the buoyant force acting on the given object= $20 k g \times 10 m / s^{2} = 200 N$

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