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9th Manipur Board
IMPORTANT
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When a body is thrown up, the force of gravity is -

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Important Questions on Gravitation

MEDIUM
9th Manipur Board
IMPORTANT
Science for Class 9>Chapter 8 - Gravitation>EXERCISES>Q 1
In which manner the force of gravitation between two objects will change when the distance between them is made double?
MEDIUM
9th Manipur Board
IMPORTANT
Science for Class 9>Chapter 8 - Gravitation>EXERCISES>Q 1
In which manner the force of gravitation between two objects will change when the distance them is reduced to half?
MEDIUM
9th Manipur Board
IMPORTANT
Science for Class 9>Chapter 8 - Gravitation>EXERCISES>Q 2
We know that the gravitational force acting on all objects is proportional to their masses. Why then a heavier object does not fall faster than a lighter object?
MEDIUM
9th Manipur Board
IMPORTANT
Science for Class 9>Chapter 8 - Gravitation>EXERCISES>Q 3
If each body in the universe attracts every other body, why don’t two books kept on a table come towards each other and collide?
EASY
9th Manipur Board
IMPORTANT
Science for Class 9>Chapter 8 - Gravitation>EXERCISES>Q 4
 Distinguish between ‘G’ and ‘g’.
HARD
9th Manipur Board
IMPORTANT
Science for Class 9>Chapter 8 - Gravitation>EXERCISES>Q 5
Starting from Newton’s law of gravitation, show that the value of ‘g’ decreases as one goes above the earth’s surface.
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9th Manipur Board
IMPORTANT
Science for Class 9>Chapter 8 - Gravitation>EXERCISES>Q 6
We know that the earth and the moon are attracted to each other by gravitational force. Does the earth attract the moon with a force which is greater or smaller or the same as the force with which the moon attracts the earth? Give reason for your answer.
MEDIUM
9th Manipur Board
IMPORTANT
Science for Class 9>Chapter 8 - Gravitation>EXERCISES>Q 7
From the universal law of gravitation we have learnt that the moon attracts the earth, why does the earth not move towards the moon?