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Why do we point an arrow mark while repr...

Why do we point an arrow mark while representing a vector ?

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To show the direction.
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ICSE-VECTORS SCALARS ELEMENTARY CALCULUS -SHORT ANSWER QUESTIONS
  1. Distinguish between scalar and vector quantities Give example .

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  2. Why do we point an arrow mark while representing a vector ?

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  3. When a body moved along a straight line from A to B its velocity ...

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  4. What are pseudo vectors ? Why are they called an axial vector ?

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  5. What is the difference between a polar wector and an axial vector ?

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  6. " Linear displacement is called a free vector whereas electric inte...

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  7. What is a position vector ? Why is called so ?

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  8. Is it possible to get a vector from a vector from a vector from a sca...

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  9. What are reciprocal vectors ?

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  10. What is the difference between scalar addition and vector addition ?

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  11. With a suitable diagram show how two vectors are added ?

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  12. State triangle law of of vector addition .

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  13. State parallelogram of law of vector addition .

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  14. Is any difference between triangle law and parallelogram law of vector...

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  15. Is it possible that the magnitude of resultantof two vectors is equa...

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  16. Draw a diagram to show the associative law of vector addition .

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  17. What is the use of polygen law of vectors ?

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  18. What is a null vector ? What is its use ?

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  19. What are the properties of a zero vector ?

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  20. What is a resultant vector ?

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