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What is centripetal force ? What is its ...

What is centripetal force ? What is its function ? Illustrate with one example.

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Centripetal force is the force required to move a body unifornly in a circle. Its function is to change the direction of motion of the body. For example, gravitational force of attraction of earth on the moon provides the neccesary centripetal force for orbiting of moon around earth.
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PRADEEP-GRAVITATION-Mock Test (3)
  1. Distinguish between gravitational and gravity.

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  2. What is meant by 'free fall' hence define acceleration due to gravity.

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  3. What is centripetal force ? What is its function ? Illustrate with one...

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  4. Calculate mass of earth taking it to ne a sphere of radius 6400 km. gi...

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  5. What do you understand by areal velocity of a planet ? State kepler's...

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  6. Distance between two bodies is double. What happens to gravitational f...

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  7. If earth is taken as a sphere of radius 6400 km and mass 6xx10^(24) kg...

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  8. State the three equations of motion of a body under the influence of g...

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  9. (i) what is the mass of body of weight 1 kg ? (ii) what is the weight ...

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  10. (i) what is the mass of body of weight 1 kg ? (ii) what is the weight ...

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  11. The velocity with which a body stricks the ground is always equal to ...

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  12. Prove that time taken by a body to rise to highest point is always eq...

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  13. The weight of a body on the surface of earth is 392N. What is its mass...

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  14. Using Newton's law of gravitation, calculate density of earth.

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  15. Newton's law of gravitation has been verified experimentally. But the...

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  16. What happens to garavitational force between two bodies, when mass of ...

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  17. State and explain breifly keplar's laws of planetary motion.

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  18. A ball trown up vertically returns to the thrower after 10 second. Cal...

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  19. If mass of earth is roughly 80 times the mass of moon and diameter of ...

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  20. A geostationary satellite is orbiting the earth at a height 5 R above...

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