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Explain (i) Unit vector (ii) Equal vecto...

Explain (i) Unit vector (ii) Equal vectors (iii) Negative vectors, (iv) Coinitial v ectors (v) Collinear vectors and (vi) Copanar vectors.

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A vector having the same magnitude as the given vector but in opposition is the negative of the given vector .
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MODERN PUBLICATION-MOTION IN A PLANE -Revision Exercises (very Short Answer Questions)
  1. When two vectors are said to be equal vectors?

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  2. What is a null vector ?

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  3. Explain (i) Unit vector (ii) Equal vectors (iii) Negative vectors, (iv...

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  4. What are co-initial and collinear vectors?

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  5. What are coplanar vectors ?

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  6. What do you mean by resultant vector ?

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  7. State the essential condition for the addition of vectors.

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  8. can a physical quantity having both magnitude and direction be a vecto...

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  9. State triangle law of vectors addition. Find analytically the magnitud...

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  10. State parallelogram law of vectors addition .Find analytcallly the mag...

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  11. When is the sum of the two vectors are maximum and when minumum ?

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  12. Is it possible that the sum of two vectors is a scalar ?

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  13. What do you mean by equilibrant vector ?

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  14. What do you understand by resolution of a vector ? Show that there is ...

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  15. What are rectangular components of a vector ?

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  16. Define scalar produt of two vectors.

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  17. A vector is by vec V=(8.0hati +2.0 hat j) m//s. What will be direction...

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  18. Can the magnitude of vecA -vecB be equal to vecA+vecB?

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  19. Is the associative law applicable to vector subtraction ?

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  20. Can the magnitude of the reultant vector of two given vectros be less ...

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