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(A): The direction of velocity vector re...

(A): The direction of velocity vector remains unchanged though the coordinate system is changed
(R): The direction of real vector is indepen dent of coordinate system

A

Both (A) and (R) are true and (R) is the correct explanation of (A)

B

Both (A) and (R) are true and (R) is not the correct explanation of (A)

C

(A) is true but (R) is false

D

(A) is false but (R) is true

Text Solution

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The correct Answer is:
A
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AAKASH SERIES-MOTION IN A PLANE -Exercise -I
  1. The x-component of the resultant of several vectors (a) is equal to ...

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  2. Figure shows the orientation of two vectors u and v in the XY-plane If...

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  3. (A): The direction of velocity vector remains unchanged though the coo...

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  4. The resultant of two forces cannot exceed

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  5. Subtraction of vectors obeys

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  6. Associative law is obeyed by

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  7. Choose the correct statement.

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  8. The maximum value of magnitude of (vec(A) - vec(B)) is

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  9. When two vectors vecA and vecB of magnitude a and b are adde...

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  10. If vec(C) = vec(A) + vec(B) then

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  11. It is found that |A + B| = |A|. This necessarily implies.

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  12. For two vectors A and B, |bar(A) + bar(B)| = |bar(A) - bar(B)| is alwa...

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  13. Let the angle between two nonzero vectors vec(A) and vec(B) be 120^(@)...

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  14. Set the following vectors in the increasing order of their magnitude. ...

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  15. Arrange the vectors subtractions so that their magnitudes are in decre...

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  16. The minimum number of forces of equal magnitude in a plane that can ke...

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  17. The minimum number of unequal forces in a plane that can keep a partic...

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  18. The minimum number of non coplanar forces that can keep a particle in ...

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  19. A motor car is going due north at a speed of 50 km/h. It makes a 90^(@...

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  20. Which of the following four statements is false ?

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