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Give an example of a physical phenomenon...

Give an example of a physical phenomenon in which earth cannot be regarded as a point mass.

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SL ARORA-MECHANICS-Exercise
  1. Assertion: A body,whatever its motion, is always at rest in a frame of...

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  2. Mention the condition when on object in motion (a) can be considered p...

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  3. Give an example of a physical phenomenon in which earth cannot be rega...

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  4. Under what codition will the distance and displacement of a moving obj...

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  5. A bullet is fired from a gun falls at a distance half of its maximum r...

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  6. A particle is moving along a circular track of radius r. What is the d...

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  7. Will the displacement of an object change on shifting the position of ...

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  8. What does the speedometer of a car measure average speed or instantane...

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  9. What is the numberical ratio of velocity to speed of an object ?

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  10. A ball hits a wall with a velocity of 30 ms^(-1) and rebounces with th...

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  11. Unit of time occurs twice in unit of acceleration. Why ?

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  12. Statement-I : A positive acceleration can be associated with a 'slowin...

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  13. Give an example which shows that a negative acceleration can be associ...

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  14. Is the acceleration of a car greater when when the accelerator is push...

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  15. The v-t graphs of two objects make angles of 30^circ and 60^circ with ...

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  16. Is it possible that your cycle has a northward velocity but southward ...

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  17. If the instantaneous velocity of a particle is zero, will its instanta...

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  18. A man standing on the edge of a cliff throws a stone straight up with ...

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  19. A body travels along a straight line with uniform accleration a(1) fo...

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  20. What is the nature of the distance-time graphs for uniform and non-uni...

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