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PREMIERS PUBLISHERS-GRAVITATION-OTHER IMPORTANT QUESTION & ANSWERS (CONCEPTUAL QUESTIONS)
- Tides arise in the ocean. Give reason.
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- Why does an astronaut in a spacecraft feel weightlessness?
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- Where does the weight of a body become zero?
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- Why a body weighs less at the equator than at the poles?
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- Where does a body weigh less? At the sea level or on the mountains?
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- Why do you feel giddy while moving on Raatinam (or) Carrousel?
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- Explain why one can jump higher on the surface of the Moon than that o...
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- A planet revolves in an elliptical orbit around the Sun. The semi-majo...
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- If Earth be at one fourth its present distance from the Sun, how many ...
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- Why is Newton's law of gravitation called a universal law?
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- Why does the gravitational potential energy U(r) is always negative?
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- What happens to the acceleration due to gravity on account of rotation...
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- Under what condition, the gravitational potential energy of a body wil...
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- Can we determine the gravitational mass of a body inside an artificial...
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- Mention the factors which determine whether a planet would have an atm...
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- If the Earth stops rotating about its axis, then by what value will th...
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- A hippopotamus and a frog are to be projected out of Earth into space....
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- Tides arise in the ocean. Give reason.
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- How does an astronaut float in a space shuttle ?
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- Where does the weight of a body become zero?
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