A block of wood is just floating on water, what will happen to the block if the temperature of the water is increased?

Rises up

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Sinks

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Stays the same

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Starts burning

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Solution

The correct option is B
Sinks

On heating, the density of water decreases because of which the upthrust acting on the block decreases. However, the weight of the block remains the same.

Weight becomes greater than upthrust, So block sinks.

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A block of wood is just floating on water, what will happen to the block if the temperature of the water is increased?

The correct option is B Sinks On heating, the density of water decreases because of which the upthrust acting on the block decreases. However, the weight of the block remains the same. Weight becomes greater than upthrust, So block sinks.

The correct option is B
Sinks

On heating, the density of water decreases because of which the upthrust acting on the block decreases. However, the weight of the block remains the same.

Weight becomes greater than upthrust, So block sinks.