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Class 9 Science Chapter 10 Gravitation Quiz 8 (18 MCQs)

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1. 10 kg wt equals:10 kg weight is equal:
2. If the ball is drop at the height of 200 m above the earth surface.What will be velocity just touch the ground
3. 8) School bags have a broader base to reduce
4. Identical packets are dropped from two aeroplanes, one above the equator and the other above the north pole, both at height h. Assuming all conditions are identical, will those packets take same time to reach the surface of earth.
5. A ball is thrown vertically upward with 40 m/s speed. What is its speed when it reaches the maximum height?
6. Which of the following factors does the acceleration due to gravity on the Earth depend upon?
7. What is the gravitational force between two objects dependent on?
8. If 240 kg is the weight of body on earth then its weight on the surface of moon is
9. When a body is thrown vertically upwards, what is its final velocity:When an object is upwards upwards, what will be the last velocity of that object
10. Mass of an object on earth is 10 kg. what its value on moon?
11. The gravitational force between two objects is F. If masses of both objects are doubled and distance between them becomes doubled, then the gravitational force would become
12. In the relation F = GM m/d$^{2}$, the quantity G
13. Two objects are attracted to each other with 36 N of gravitational force.What would the force between them be if the distance between them were doubled?
14. For upward motion, acceleration is
15. When a car is taking a turn towards left the person sitting inside will experience a centrifugal force in ..... direction.
16. Two factors effecting the magnitude of the force of gravity between 2 objects are .....
17. Identical packets are dropped from two aeroplanes, one above the equator and other above the north pole both at height h. Assuming all conditions are identical, will those packets take same time to reach the surface of earth.
18. The gravitational force between two objects is F. If masses of both objects are halvedwithout changing distance between them, then the gravitational force would become
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