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It is found that |A + B| = |A|. This ne...

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

A

B = 0

B

A, B are antiparallel

C

A, B are perpendicular

D

A.B `le 0`

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The correct Answer is:
D
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AAKASH SERIES-MOTION IN A PLANE -Exercise -I
  1. When two vectors vecA and vecB of magnitude a and b are adde...

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

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

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

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

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

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

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

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

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

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

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  12. Which of the following four statements is false ?

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  13. In a two dimensional motion, instantaneous speed v(0) is a positive co...

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  14. In a two dimensional motion, instantaneous speed v(0) is a positive co...

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  15. Three different objects of masses m(1), m(2) and m(3) are allowed to f...

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  16. A train is moving due east and a car is moving due north with equal sp...

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  17. A bus moves over a straight level road with a constant acceleration a....

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  18. A particle P moves with speed .v. along AB and BC, sides of a square A...

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  19. If A and B persons are moving with V(A) and V(B) velocities directions...

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  20. Wind is blowing to east along two parallel railway tracks. Two trains ...

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