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Class 9 Science Chapter 10 Gravitation Quiz 5 (25 MCQs)

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1. A ball is thrown vertically upward with 40 m/s speed. Find the maximum height attained by the ball. Take g =10 m/s2
2. The force of gravitation between two objects depends on only one of their masses. True or False?
3. The universal Law of Gravitation explained
4. A ball is thrown up vertically return to the earth after 12s. Find the velocity with which it was thrown up?
5. On the surface of the Earth, the escape velocity is about
6. Which of the following best describes the concept of weight?
7. Which among the following is a wrong differentiation between mass and weight?
8. Two particles are placed at some distance. If the mass of each of the two particle is doubled, keeping the distance between them unchanged, the value of gravitational force betweenthem will be
9. Which law is responsible for flowing of water into the river
10. Which law states that the gravitational force between two objects is directly proportional to the product of their masses and inversely proportional to the square of the distance between their centers?
11. A boy is whirling a stone tied to a string in a horizontal circular path. If the string breaks, the stone
12. Gravitational Force Varies Inversaly With Square of:Gravity Poly of Force .....
13. The path a planet travels around the sun is called its
14. Pascal is the S.I Unit of
15. Gravitational forces are:
16. A stone is released from the top of the tower with height 81.64m.Calculate its final velocity before touching the ground
17. Who formulated the universal law of gravitation
18. If the gravitational attraction of the Earth suddenly disappears, which of the following statements will be true?
19. A man can jump to a height of 1.5 m on a planet A. What is the height he may be able to jump on another planet whose mass and radius are, double to the planet A
20. 2) An apple and stone dropped from a certain height accelerates
21. Inverse square law was formulated by .....
22. Which is uniform for a freely falling object?
23. What happen to the force if the masses of two object become double
24. Gravitational force can extend
25. Jupiter is a much more massive planet than Earth. If you traveled to Jupiter, your mass would
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