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Universal Law of Gravitation, Class 9 Science

1. There will be total 20 MCQ in this test.
2. Please keep a pen and paper ready for rough work but keep your books away.
3. The test will consist of only objective type multiple choice questions requiring students to mouse-click their correct choice of the options against the related question number.
4. No negative marking for incorrect choice.
5. Please click on “Finish the Test” when you want to exit.
6. All the best – Happy Studying

1. Gravitational force does not depend on:
 
 
 
 

Question 1 of 20

2. The value of ‘g’ is minimum:
 
 
 
 

Question 2 of 20

3. Weight of an object is highest at
 
 
 
 

Question 3 of 20

4. Apple falls towards the earth but the earth does not move towards the apple because
 
 
 
 

Question 4 of 20

5. What is the mass of a body whose weight is 59 N? Take g = 9.8 m/s2
 
 
 
 

Question 5 of 20

6. A ball is thrown vertically upwards with a velocity ‘u’. The velocity with which it falls to the earth again is:
 
 
 
 

Question 6 of 20

7. Weight of a body on earth is 48 N; its weight on moon is
 
 
 
 

Question 7 of 20

8. Universal law of gravitation does not explain
 
 
 
 

Question 8 of 20

9. The mass of a body on earth is 60 kg, its mass on moon is
 
 
 
 

Question 9 of 20

10. If you drop a stone and a piece of paper to the earth, they don’t take the same time to reach the earth because:
 
 
 
 

Question 10 of 20

11. The force of gravitation between two bodies varies with r as:
 
 
 
 

Question 11 of 20

12. The magnitude of gravitational force between the earth and 10 kg body is:
 
 
 
 

Question 12 of 20

13. If the mass of earth is increased by 25% without any change in its size. Then, its acceleration due to gravity:
 
 
 
 

Question 13 of 20

14. Which of following is not related to gravitational law?
 
 
 
 

Question 14 of 20

15. How much gravitational force acts between two people of mass 60 kg each sitting at distance of 1 m apart?
 
 
 
 

Question 15 of 20

16. Purchasing 1 kilogram of sugar will be profitable at:
2
 
 
 
 

Question 16 of 20

17. Two massive objects of masses 5 kg and 20 kg are separated by a distance of 25 m, then the distance at which no net gravitational force is felt due to these masses, is
 
 
 
 

Question 17 of 20

18. Ocean tides are the result of:
 
 
 
 

Question 18 of 20

19. If the mass of one body is doubled, then the gravitational force F between two bodies become
 
 
 
 

Question 19 of 20

20. The mass of earth in terms of ‘g’ acceleration due to gravity and ‘G’ universal gravitational constant is:
3
 
 
 
 

Question 20 of 20

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