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The weight of an object at the centre of the earth is

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Important Questions on Gravitation

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9th CBSE
IMPORTANT
Modern's abc+ Of Science - Physics For Class IX>Chapter 3 - Gravitation>CHAPTER PRACTICE TEST 1>Q 8
Which of the following is the real law of motion?
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9th CBSE
IMPORTANT
Modern's abc+ Of Science - Physics For Class IX>Chapter 3 - Gravitation>CHAPTER PRACTICE TEST 1>Q 9
When we hold a suitcase steady at some height:
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9th CBSE
IMPORTANT
Modern's abc+ Of Science - Physics For Class IX>Chapter 3 - Gravitation>CHAPTER PRACTICE TEST 1>Q 10
Body A of mass 20 kg collides with another body B of mass by 10 kg. Then 
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9th CBSE
IMPORTANT
Modern's abc+ Of Science - Physics For Class IX>Chapter 3 - Gravitation>CHAPTER PRACTICE TEST 1>Q 11
The orbits of planets are elliptical around the sun.
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9th CBSE
IMPORTANT
Modern's abc+ Of Science - Physics For Class IX>Chapter 3 - Gravitation>CHAPTER PRACTICE TEST 1>Q 12
A stone falling towards earth also attracts the earth with the same force.
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9th CBSE
IMPORTANT
Modern's abc+ Of Science - Physics For Class IX>Chapter 3 - Gravitation>CHAPTER PRACTICE TEST 1>Q 13
The value of g is same everywhere on the earth.
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9th CBSE
IMPORTANT
Modern's abc+ Of Science - Physics For Class IX>Chapter 3 - Gravitation>CHAPTER PRACTICE TEST 1>Q 14
The weight of same body is different at earth and at moon.
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9th CBSE
IMPORTANT
Modern's abc+ Of Science - Physics For Class IX>Chapter 3 - Gravitation>CHAPTER PRACTICE TEST 1>Q 15
The gravitational force depends on the nature of the medium separating the two objects.