A submarine can either sink or float even though the upthrust acting on it is the same. What is the relationship between the weight of the submarine and the upthrust when the submarine sinks in water?

Weight of submarine < Upthrust.

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Weight of submarine = Upthrust.

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Weight of submarine > Upthrust.

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Weight of submarine $\leq$ Upthrust.

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Solution

The correct option is C
Weight of submarine > Upthrust.

The Law of Flotation says that for a floating object, the weight of the object equals the weight of the liquid displaced by the object. Here submarine sinks in water, therefore, Weight of submarine > Upthrust according to law of floatation.

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A submarine can either sink or float even though the upthrust acting on it is the same. What is the relationship between the weight of the submarine and the upthrust when the submarine sinks in water?

The correct option is C Weight of submarine > Upthrust. The Law of Flotation says that for a floating object, the weight of the object equals the weight of the liquid displaced by the object. Here submarine sinks in water, therefore, Weight of submarine > Upthrust according to law of floatation.

The correct option is C
Weight of submarine > Upthrust.

The Law of Flotation says that for a floating object, the weight of the object equals the weight of the liquid displaced by the object. Here submarine sinks in water, therefore, Weight of submarine > Upthrust according to law of floatation.