A body experiences an upthrust $F_{1}$ in freshwater and $F_{2}$ in seawater when dipped up to the same level. Which is more, $F_{1}$ or $F_{2}$ ? Give reason(s). $[2 marks]$

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Solution

$F_{2} > F_{1}$ $[1 mark]$
Seawater is denser than freshwater; therefore, the upthrust due to seawater will be greater for the same volume of the body immersed. Because of this, the body would feel lighter in seawater. $[1 mark]$

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Q. A body experiences an upthrust

F_{1}

in river water and

F_{2}

in sea water when dipped up to the same level. Which is more

F_{1}

F_{2}

? Give reason. [

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]

A body experiences an upthrust $F_{1}$ in river water and $F_{2}$ in sea water when dipped up to the same level. Which is more $F_{1}$ or $F_{2}$ ? Give reason.

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, then

∣ ∣ ∣_{1} +_{2} ∣ ∣ ∣

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F_{1}

accelerates a particle from rest to a velocity

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A body experiences an upthrust F1 in freshwater and F2 in seawater when dipped up to the same level. Which is more, F1 or F2 ? Give reason(s). [2 marks]

F2>F1[1 mark] Seawater is denser than freshwater; therefore, the upthrust due to seawater will be greater for the same volume of the body immersed. Because of this, the body would feel lighter in seawater. [1 mark]

A body experiences an upthrust $F_{1}$ in freshwater and $F_{2}$ in seawater when dipped up to the same level. Which is more, $F_{1}$ or $F_{2}$ ? Give reason(s). $[2 marks]$

$F_{2} > F_{1}$ $[1 mark]$
Seawater is denser than freshwater; therefore, the upthrust due to seawater will be greater for the same volume of the body immersed. Because of this, the body would feel lighter in seawater. $[1 mark]$