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Question

According to Archimedes principle, the upward force experienced by a body immersed in a fluid is equal to which of the following?

The correct answer is

Weight of the fluid displaced by the body

Weight of displaced fluid = (mass of displaced fluid) × (acceleration due to gravity) Since mass = density × volume, we can also write: mass of displaced fluid = \rho_f × V_{disp} where: \rho_f is the density of the fluid V_{disp} is the volume of the displaced fluid (which is equal to the volume of the submerged part of the body) So, the buoyant force is also: Weight of the fluid displaced by the body This statement directly matches the definition of Archimedes principle.

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Important Questions from Buoyancy and Floatation

  1. If two objects are weighed in water and both of them lose the same weight, then the two objects must have identical

  2. A rectangular block is floating in a liquid. The distance of the metacentre from the point of buoyance is equal to the ratio of

  3. A wooden cube of side 0.2 m is floating in the water. The density of wood is 600 kg/m3. Then the volume of water displaced by the wooden block is

  4. The stability of a floating body is governed mainly by the ______.

  5. Buoyant force for a floating body passes through:

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