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Define unit vector ....

Define unit vector .

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Unit vector : A vector divided by its magntitude is a unit vector.
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SURA PUBLICATION-KINEMATICS-SHORT ANSWER QUESTIONS:
  1. What causes variation in velocity of a particle ?

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  2. What is meant by Collinear vector ? Explain them .

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  3. Define unit vector .

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  4. Define Orthogonal unit vectors.

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  5. Deepak went on his bike from Chennai to Thiruvallur at a speed of 60 k...

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  6. How are two vectors expressed in a Cartesian system ? Explain the addi...

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  7. How is the direction of vector product determined ?

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  8. A car moving along a straight highway with a speed of 126 kilometre pe...

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  9. Write the expression for time of flight in projectile motion.

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  10. Distinguish between Distance and Displacement.

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  11. How does an object supposed to be at rest and in motion are considered...

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  12. Define instantaneous speed.

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  13. Write an expression for component of Instantancous velocity or velocit...

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  14. What does the slope of 'position - time' graph represent? Which physic...

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  15. Write down the different methods for obtaining addition of vectors.

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  16. Write an expression for the two objects, moving with uniform velocitie...

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  17. List out the conditions of Magnitude and Direction for the following v...

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  18. What is meant by accelerated motion ?

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  19. Define Instantaneous acceleration.

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  20. Write an expression for an acceleration of rectangular components.

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