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A set of vectors taken in a given order ...

A set of vectors taken in a given order gives a closed polygon. Then the resultant of these vectors is a

A

scalar quantity

B

pseudo vector

C

unit vector

D

null vector

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The correct Answer is:
D
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MOTION-VECTOR & CALCULUS-EXERCISE -1
  1. Two vectors vecA and vecB lie in a plane, another vector vecC lies out...

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  2. Vector sum of two forces of 10N and 6N cannot be:

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  3. A set of vectors taken in a given order gives a closed polygon. Then t...

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  4. The vector sum of two force P and Q is minimum when the angle theta be...

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  5. The vector sum of two vectors vecA and vecB is maximum , then the angl...

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  6. Given : vecC=vecA+vecB . Also , the magnitude of vecA,vecB and vecC a...

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  7. If |vecP + vecQ| = |vecP -vecQ| the angle between vecP and vecQ is

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  8. Find the torque of a force vecF=-3hati+2hatj+hatk acting at the point ...

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  9. What are the x and then y components of a 25 m displacement at an angl...

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  10. One of the rectangular components of a velocity of 60" km" h ^(-1) " ...

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  11. If vecA = hati+hatj+hatk and vecB = 2hati+hatj find vecA . vecB

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  12. If vecA = hati+hatj+hatk and vecB = 2hati+hatj find vecA xxvecB

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  13. If |vecA|= 4, |vecB|=3 and theta= 60^@ in the figure . Find vec...

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  14. If |vecA|= 4, |vecB|=3 and theta= 60^@ in the figure . Find |vec...

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  15. If 0.5hati+0.8hatj+Chatk is a unit vector. Find the value of C.

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  16. The rectangular components of a vector are (2,2) . The corresponding r...

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  17. The x and y components of a a force are 2N and -3N . The force is

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  18. Assertion: If three vectors vecA,vecB and vecC satisfy the relation ve...

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  19. The magnitude of scalar product of two vectors is 8 and of vector prod...

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  20. Two forces of magnitude 1 N and 13 N resultant of magnitude 6sqrt(5)N,...

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