What is the S.I unit of upthrust ?

P a

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N

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k g

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k g m^{2}

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Solution

The correct option is B $N$
Upthrust is nothing but buoyant force. When a rigid object is submerged in a fluid (completely or partially), there exits an upward force on the object that is equal to the weight of the fluid that is displaced by the object.
And therefore, Its unit is equal to that of force(since buoyant force is a kind of force), which is $N$ .

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Similar questions

The S.I unit of upthrust is:
(a) Pa (b) N
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Define upthrust and state its S.I. unit.

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(c) N (d) $N m^{2}$

\frac{k g}{m^{3}}

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