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What is the principal cause of action of buoyant force on a body submerged partially or fully in fluid?
  • a)
    Displacement of fluid due to submerged body
  • b)
    Development of force due to dynamic action
  • c)
    Internal shear forces mitigating external forces
  • d)
    None of the mentioned
Correct answer is option 'A'. Can you explain this answer?
Verified Answer
What is the principal cause of action of buoyant force on a body subme...
Explanation: The principal cause of action of buoyant force on a body submerged partially or fully in fluid is the force equal in magnitude to the weight of the volume of displaced fluid.
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What is the principal cause of action of buoyant force on a body subme...
Explanation:
According to Archimedes' principle, the buoyant force acting on a body submerged in a fluid is equal to the weight of the fluid that is displaced by the body. Therefore, the principal cause of action of buoyant force on a body submerged partially or fully in fluid is the displacement of fluid due to the submerged body.

In other words, when a body is submerged in a fluid, it displaces a certain amount of fluid equal to its volume. This displacement of fluid creates a pressure difference between the top and bottom of the body, with the pressure being higher at the bottom. This pressure difference results in an upward force called the buoyant force, which opposes the weight of the body.

Therefore, the displacement of fluid due to the submerged body is the principal cause of action of buoyant force on a body submerged partially or fully in fluid.
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What is the principal cause of action of buoyant force on a body submerged partially or fully in fluid?a)Displacement of fluid due to submerged bodyb)Development of force due to dynamic actionc)Internal shear forces mitigating external forcesd)None of the mentionedCorrect answer is option 'A'. Can you explain this answer?
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