If an object pushes out an amount of water equal to its own weight, the upward force acting on it will be equal to gravity - and the object will float.
Explanation:
The buoyant force has an impact on the object in the water and equals the weight of the water displaced by the object. Every object placed in water has some buoyancy force that pushes it against the gravitational force, and this means that any object loses weight in the water.
