A body weights $450 g f$ in air and $310 g f$ when completely immersed in water. Find the loss in weight of the body.

140 g f

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120 g f

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110 g f

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240 g f

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Solution

The correct option is A $140 g f$
The body is displacing water.

The buoyancy is $450 - 310 g f = 140 g f$

So the body displaces the volume of that $140 g f$ of water.

So, loss of weight = Weight of water displaced $= 140 g f$

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A body weights 450gf in air and 310gf when completely immersed in water. Find the loss in weight of the body.

The correct option is A 140gfThe body is displacing water. The buoyancy is 450−310gf=140gfSo the body displaces the volume of that 140gf of water. So, loss of weight = Weight of water displaced =140gf

A body weights $450 g f$ in air and $310 g f$ when completely immersed in water. Find the loss in weight of the body.

The correct option is A $140 g f$
The body is displacing water.

The buoyancy is $450 - 310 g f = 140 g f$

So the body displaces the volume of that $140 g f$ of water.

So, loss of weight = Weight of water displaced $= 140 g f$