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Give one example each of central and non...

Give one example each of central and non-central force.

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Central force : Gravitational force between two point masses, electrostatic force between two point charges.
Non-central force : Frictional force, magnetic force between two current-carrying loops.
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MODERN PUBLICATION-GRAVITATION-NCERT FILE (Exemplar Problems (Objective Questions) (Multiple Choice questions) )
  1. Supposing Newton's law of gravitation for gravitation force F(1) and F...

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  2. Which of the following are true ?

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  3. The centre of mass of an extended body on the surface of the earth and...

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  4. Moelcules in air in the atmosphere are attracted by gravitational forc...

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  5. Give one example each of central and non-central force.

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  6. Draw areal velocity time graph for Mars.

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  7. What is the direction of areal velocity of the earth around the sun?

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  8. How is the gravitational force between two point masses affected when ...

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  9. Is it possible for a body to have inertia but no weight?

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  10. We can shield a charge from electric fields by putting it inside a hol...

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  11. An astronaut inside a small spaceship orbitting around the earth canno...

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  12. The gravitational force between a hollow spherical shell (of radius R ...

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  13. Out of aphelion and perihelion, where is the speed of the earth more a...

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  14. What is the angle between the equatorial plane and the orbital plane o...

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  15. Mean solar day is the time interval between two successive noon when s...

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  16. Two identical heavy spheres are separated by a distance 10 times their...

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  17. Show the nature of the following graph for a satellite orbiting the ea...

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  18. Shown are several curves. Explain with reason, which ones amongst them...

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  19. An object of mass m is raised from the surface of the earth to a heigh...

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  20. A mass m is placed at P a distance h along the normal through the cent...

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