Shown below are six objects that have different masses and different volumes. Th

Question

Shown below are six objects that have different masses and different volumes. These Mocks are suspended at two different depths in water by being hung by a string from a supporting rod. Rank these situations, from greatest to least, on the basis of buoyant force on the blocks by the water. Greatest Force 1 __ 2 __ 3 __ 4 __ 5 __ 6__ Least Force Or, all of the buoyant forces on the blocks by the water are equal. __ Or, there are no buoyant forces on the blocks by the water. __ Or, it is not possible to determine the buoyant forces on the blocks by the water. __ Please carefully explain your reasoning.

Explanation / Answer

RANKING :

REASON:

The buoyant force = Density * Volume of water displaced * acceleration due to gravity

Here the acceleration due to gravity is constant.

Since all the objects are immersed in water, the density remains constant.

The only parameter on which buoyant force depends in the volume of the objects. The volume of the objects is directly proportional to the Buoyant force.

Hence B, D, E with 40 cm3 volume gets the first ranking. And the others objects with 10 cm3

Volume gets the second ranking.

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