State the condition for an object to float on the surface of a liquid.

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Solution

An object floats on the surface of a liquid when the weight of the object is less than the weight of the liquid displaced by the object.
According to Archimedes' principle, the apparent loss of weight of a body fully or partially immersed in a liquid is equal to the weight of the liquid displaced by the body.
We can write,
The weight of the body immersed in water = The weight of the water displaced

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