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# physicsquestions

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Why is easier to lift a body in a liquid than in air?

Why is easier to lift a body in a liquid than in air?

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How will you justify that stone is more rigid than iron?

How will you justify that stone is more rigid than iron?

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How will you make difference between density and specific gravity of a body?

How will you make difference between density and specific gravity of a body?

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If a cork is released from the bottom of a jar filled with water, what will happen and why?

If a cork is released from the bottom of a jar filled with water, what will happen and why?

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What are the drawbacks of simple pendulum?

What are the drawbacks of simple pendulum?

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What are centre of buoyancy and metacentre?

What are centre of buoyancy and metacentre?

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Why is the bottom of a ship made heavy?

Why is the bottom of a ship made heavy?

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During pregnancy, woman often develop back pains from leaning backward while walking. Why do they have to walk this way?

During pregnancy, woman often develop back pains from leaning backward while walking. Why do they have to walk this way?

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Explain which one is more elastic- rubber or steel.

Explain which one is more elastic- rubber or steel.

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A dancer girl is rotating over a turntable with her arms outstretched. If she lowers her arms how does this affect her motion?

A dancer girl is rotating over a turntable with her arms outstretched. If she lowers her arms how does this affect her motion?

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If a pendulum clock is taken to a mountain top, does it gain or lose time?

If a pendulum clock is taken to a mountain top, does it gain or lose time?

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On what factors does the time period of a simple pendulum depend?

On what factors does the time period of a simple pendulum depend?

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Why is a horse more stable than a man?

Why is a horse more stable than a man?

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Why bridges are declared unsafe after a long use?

Why bridges are declared unsafe after a long use?

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Why a wrench of longer arm is preferred in comparison to a wrench of short arm?

Why a wrench of longer arm is preferred in comparison to a wrench of short arm?

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