A body of mass 10 kg and volume 0-5 m 3 is floating in a liquid- What is the density of the body-A- Gravitational forceB- Buoyant forceC- Both A and BD- Frictional force

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Standard VIII

Physics

Density

A body of mas...

Question

A body of mass $10 k g$ and volume $0.5 m^{3}$ is floating in a liquid. What is the density of the body?

Gravitational force

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Buoyant force

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Both A and B

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Frictional force

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Solution

The correct option is C
Both A and B

Given: Mass of the body $m$ = $10 k g$

Volume of the body $v_{b}$ = $0.5 m^{3}$

We know that density of a body = $ρ$ = $\frac{m a s s}{v o l u m e}$
$∴ ρ = \frac{m}{v_{b}}$ = $\frac{10 k g}{0.5 m^{3}}$ = $20 k g / m^{3}$

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A body of mass 10 kg and volume 0.5 m3 is floating in a liquid. What is the density of the body?

The correct option is C Both A and B Given: Mass of the body m = 10 kg Volume of the body vb = 0.5 m3 We know that density of a body = ρ = massvolume ∴ρ=mvb = 10 kg0.5 m3 = 20 kg/m3

A body of mass $10 k g$ and volume $0.5 m^{3}$ is floating in a liquid. What is the density of the body?

The correct option is C
Both A and B

Given: Mass of the body $m$ = $10 k g$

Volume of the body $v_{b}$ = $0.5 m^{3}$

We know that density of a body = $ρ$ = $\frac{m a s s}{v o l u m e}$
$∴ ρ = \frac{m}{v_{b}}$ = $\frac{10 k g}{0.5 m^{3}}$ = $20 k g / m^{3}$