The figures below show that a submarine can either sink or float. What is the relationship between the weight of submarine and the upthrust when the submarine sinks in water?
A
Weight of submarine < Upthrust.
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B
Weight of submarine = Upthrust.
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C
Weight of submarine > Upthrust.
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D
Weight of submarine ≤ Upthrust.
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Solution
The correct option is C Weight of submarine > Upthrust. Weight of submarine > Upthrust because density of submarine becomes greater than the density of water