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Object in Normal Water
Normal water has lower density.
The object displaces some water.
Buoyant force = weight of displaced normal water.
If this buoyant force is less than the object’s weight, the object sinks or floats less.#dencity
Adding NaCl increases the density of water.
For the same object, the displaced fluid is now heavier.
Buoyant force = weight of displaced salt water (which is more).
Greater buoyant force makes the object float more
easilyexperiment
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