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9th CBSE
IMPORTANT
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If radius of earth is R, at what height from the surface of earth, the weight of the body becomes half?

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Important Questions on Gravitation

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9th CBSE
IMPORTANT
Core Science Physics For Class 9>Chapter 3 - Gravitation>EXERCISE>Q 24
A meteor passes near the earth at a height equal to 3 times the radius of earth. If g is the acceleration due to gravity on its surface, the acceleration experienced by the meteor in terms of g is.
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9th CBSE
IMPORTANT
Core Science Physics For Class 9>Chapter 3 - Gravitation>EXERCISE>Q 1
 What do you understand by the force of gravitation.
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9th CBSE
IMPORTANT
Core Science Physics For Class 9>Chapter 3 - Gravitation>EXERCISE>Q 2
Is gravitational force attractive or repulsive?
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9th CBSE
IMPORTANT
Core Science Physics For Class 9>Chapter 3 - Gravitation>EXERCISE>Q 3
Does the force of gravitation exist at all places in the universe? Explain your answer. 
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9th CBSE
IMPORTANT
Core Science Physics For Class 9>Chapter 3 - Gravitation>EXERCISE>Q 4
 What do you understand by the statement that the gravitational constant is 6.67 ×10-11 Nm2/kg2 ?
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9th CBSE
IMPORTANT
Core Science Physics For Class 9>Chapter 3 - Gravitation>EXERCISE>Q 5
At which place on the surface of the earth, is the acceleration due to gravity (a) maximum, (b) minimum. 
EASY
9th CBSE
IMPORTANT
Core Science Physics For Class 9>Chapter 3 - Gravitation>EXERCISE>Q 1
State Newton's universal law of gravitation. 
HARD
9th CBSE
IMPORTANT
Core Science Physics For Class 9>Chapter 3 - Gravitation>EXERCISE>Q 1
Derive a mathematical expression for the Newton's law of gravitation.