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9th CBSE
IMPORTANT
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One kilogram-force (kgf) unit is equal to 9.8 N on the earth. 

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Important Questions on Gravitation

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9th CBSE
IMPORTANT
Physics>Chapter 3 - Gravitation>Class Assignment 1>Q 1
State the Newton's law of gravitation.
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9th CBSE
IMPORTANT
Physics>Chapter 3 - Gravitation>Class Assignment 1>Q 2
Write the mathematical equation that describes the gravitational force between two particles of mass m1 and m2 placed at a distance R from each other.
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9th CBSE
IMPORTANT
Physics>Chapter 3 - Gravitation>Class Assignment 1>Q 3
How does the gravitational force between the two particles change if the distance between them, is doubled?
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9th CBSE
IMPORTANT
Physics>Chapter 3 - Gravitation>Class Assignment 1>Q 4
What is the significance of Newton's law of gravitation in nature?
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9th CBSE
IMPORTANT
Physics>Chapter 3 - Gravitation>Class Assignment 1>Q 5
What are the properties of the gravitational force?
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9th CBSE
IMPORTANT
Physics>Chapter 3 - Gravitation>Class Assignment 1>Q 6
What are the units of gravitational constant (G)?
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9th CBSE
IMPORTANT
Physics>Chapter 3 - Gravitation>Class Assignment 1>Q 7
Why is G called the universal constant?
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9th CBSE
IMPORTANT
Physics>Chapter 3 - Gravitation>Class Assignment 1>Q 8
What is meant by the centre of mass and the centre of gravity?