A body weighs $W$ $g f$ in air and $W_{1}$ $g f$ when it is completely immersed in water. Find the upthrust on the body.

(W - W_{1}) g f

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(W + W_{1}) g f

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W g f

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W_{1} g f

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Solution

The correct option is A $(W - W_{1}) g f$
We know that as per Archimedes principle,
Upthrust on body = Weight of body in air - Weight of body when immersed in water.
$∴ U p t h r u s t = (W - W_{1}) g f$

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A body weighs W gf in air and W1 gf when it is completely immersed in water. Find the upthrust on the body.

The correct option is A (W−W1) gfWe know that as per Archimedes principle,Upthrust on body = Weight of body in air - Weight of body when immersed in water.∴Upthrust=(W−W1)gf

A body weighs $W$ $g f$ in air and $W_{1}$ $g f$ when it is completely immersed in water. Find the upthrust on the body.

The correct option is A $(W - W_{1}) g f$
We know that as per Archimedes principle,
Upthrust on body = Weight of body in air - Weight of body when immersed in water.
$∴ U p t h r u s t = (W - W_{1}) g f$