In the data table given explain whether each object will sink or float and explain why:
Objects: Weight of clay (N) Weight of displaced water (N)
Object 1 0.52 0.32
Object 2 0.52 0.52
Why does the data table include weights?
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The weight of an object immersed in a fluid is reduced by the weight of the fluid it displaces. The mass of the object remains the same whether it is immersed in the fluid or out of the fluid. It is more accurate to say that the object's weight is getting decreased when it is immersed in the fluid as there is a force applied on the object due to the displacement of fluid.
In the table provided, the two objects are both made of clay. The first object weighs 0.52 N and the weight of water displaced is 0.32 N. This object will sink in water as the weight of water displaced by it is not equal to its weight. The second object also has a weight of 0.52 N but the weight of water it displaces is equal to 0.52 N. This object will float in water.
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