Q. 3 A4.1( 8 Votes )
Answer the follow
An object sinks or float in water is decided by whether the buoyant force is greater than or lesser than that of weight of object in water. If buoyant force is greater than weight of object in water, object will float. If buoyant force is less than that of weight, object sinks.
Plastic cube in water has buoyant force greater than its weight in water. So, it floats on the surface of water.
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