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JBD PUBLICATION-GRAVITATION-EXAMPLE
- Define gravitaional field and gravitiaonal intensity.
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- Among the known types of forces in nature,gravitational force is the w...
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- Mention some special features of Newton's law of gravitation.
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- Why are space rockets usually launched from west to east?
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- A tunnel is dug through the centre of the earth. Show that a body of m...
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- A person sitting in an artficial satellite feels weightlessness but a ...
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- Why is G called universal gravitational constant ?
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- How does value of acceleration due to gravity vary with shape of earth
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- A body is taken from the centre of the earth to the top of the mountai...
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- Explain why moon has no atmosphere.
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- It is said that you move the sky when you move figer,how?
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- Establish the relation between 'g' and 'G' .
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- Answer the following :- You can shield a charge from electrical forces...
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- Mention some special features of Newton's law of gravitation.
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- State the necessary conditions for a satellite to appear stationary.
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- What is an artificial satellite?
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- Define orbital velocity. How is it related with escape velocity?
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- State Keplers' laws of planetary motion.
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- Define gravitational potential energy. Find the expression for gravita...
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- Explain the principle of launching of an artificil saellite.
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