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Question
It is easier to lift a heavy stone under water than in air. Explain.
It is easier to lift a heavy stone under water than in air. Explain.
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Solution
It is easier to lift a heavy stone under water than in air because in water, it experiences an upward buoyant force. Thus, there is an apparent loss in weight, which makes it lighter in water, and hence easy to lift.
It is easier to lift a heavy stone under water than in air because in water, it experiences an upward buoyant force. Thus, there is an apparent loss in weight, which makes it lighter in water, and hence easy to lift.
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