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16 October, 11:47

There are three cubes of identical size. One is made of lead and rests at the bottom of a pond. Another is made of aluminum and also rests at the bottom of a pond. The third is made of wood and floats half-submerged at the surface of the pond. What is the correct ranking of the buoyant forces on these cubes

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  1. 16 October, 11:57
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    Step-by-step explanation:

    there are three identical cubes one of lead, other is of aluminium and the third is made of wood.

    The cube of lead and aluminium rests at the bottom of the pond.

    The buoyant force acting on the body is given by

    Buoyant force = volume of the body immeresed x density of fluid x gravity

    Here, the volume immeresed for lead and aluminium is same but the volume immersed for wood is lesser than both lead and aluminium, so the buoyant force acting on the lead and aluminium is maximum and minimum for wood.
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