Question

A ball weighing 4 kg of density 4000 kgm³ is completely immersed in a water of density 1000 kgm³. Find the force buoyancy on it and Take g as 10 m²​

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Answer 1

Answer:

Now, according to Archimedes principle, the upthrust is equal to the weight of water displaced. Mass of ball m = 4 kg Density of ball ρ = 4000 kg/m3 Volume of the ball V = m/ρ = 4/4000 m3 = 10-3 m3

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Answer 2

Aɴꜱᴡᴇʀ

Buoyant Force=10N

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Gɪᴠᴇɴ

Weight of ball = 4 kg

Density of ball = 4000 kgm³

Density of water= 1000 kgm³

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ᴛᴏ ꜰɪɴᴅ

The buoyant force?

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Sᴛᴇᴘꜱ

The buoyant force is given by

$\large \sf \orange{f = pgv}$

$\large \sf{}f = \frac{4}{4000} \times 10 \times 1000 \\ \\ \large \pink{ \dashrightarrow{} \tt{}f = \huge \red{10n}}$

Additional information:-

Buoyant : Buoyant force is an upward force exerted by a fluid, which opposes the weight of an object in the fluid. Objects immersed in water observes a loss in weight due to the buoyant force.

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$\huge{\mathfrak{\purple{hope\; it \;helps}}}$