Question

A metallic sphere of 2kg and volume 2.5×10^-4 m^3 is completely immersed in water. Find the buoyant force exerted by water on the sphere. Density of water= 1000kg/m^3.​

Answer 1

From Archimedes Principle , we know that

BUOYANT FORCE = WEIGHT OF THE FLUID DISPLACED

WEIGHT of the fluid DISPLACED = V×row×g

Where v = Volume of the substance

row = density of the fluid

g = acceleration due to gravity

Let BUOYANT force be taken as 'b' .

So , b=v×row×g

=> b = 1000×2.5×10^-4×9.8

= 2.45 N

ANS : 2.45 N

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Answer 2

Answer:

(a) 2.45

Explanation:

This is the correct answer