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zhannawk [14.2K]
4 years ago
7

An apple is held completely submerged just below the surface of water in a container. The apple is then moved to a deeper point

in the water. Compared with the force needed to hold the apple just below the surface, what is the force needed to hold it at the deeper point?
Physics
1 answer:
Tresset [83]4 years ago
4 0

Answer:

Explanation:

When the apple is held submerged in water , it experiences a buoyant force due to which it floats in water . One has to apply downward force to keep it submerged. The lower the buoyant force , lower the force needed to submerge it in water.

When apple is held at much deeper point , it experience greater pressure due to column of water around it . So its size or its volume decreases . But its weight remains the same . Due to less volume , buoyant force also decreases ( buoyant force is equal to weight of displaced volume of water. )

Due to buoyant force becoming less , force needed on apple  in downward direction will also be less.

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