The force of buoyancy on an object floating on water is F, while it is S on an object that sinks in water. The weight of both the objects is W. Which one of the following is always true?
”F
”Both
”F
”F
Answer is Right!
Answer is Wrong!
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UPSC Geoscientist – 2023
For an object that sinks in water, the buoyant force (S) is less than the weight of the object (W). The net force (W – S) is downward, causing the object to accelerate downwards (sink). S is equal to the weight of the fluid displaced by the fully submerged object. Even though the object sinks, the water still exerts an upward buoyant force on it. Therefore, both F (for floating) and S (for sinking) are upward forces.