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An empty glass jar is submerged in tank of water with open mouth of jar downwards, so that air inside the jar is trapped and can not get out. As the jar is pushed down slowly, the magnitude of net buoyant force on the system of volume of gas trapped and the jar: A. increases B. decreases C. remain same ALSO TELL THE REASON.

An empty glass jar is submerged in tank of water with open mouth of jar downwards, so that air inside the jar is trapped and can not get out. As the jar is pushed down slowly, the magnitude of net buoyant force on the system of volume of gas trapped and the jar:
A. increases
B. decreases
C. remain same
ALSO TELL THE REASON.

Grade:12

1 Answers

Arun Kumar IIT Delhi
askIITians Faculty 256 Points
8 years ago
if the jar is already submerged means the bottom of jar is below water level then the net buoyant force remains constant

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