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It is found that abs(vecA+vecB)=absvecA....

It is found that `abs(vecA+vecB)=absvecA`. This necessarily implies :
`vecB=vec0`

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Verified by Experts

For `abs(vecA+vecB)=absvecA` ,either `vecB=vec0` or `vecB=-2vecA`. False
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PATHFINDER-VECTOR-I AND VECTOR-II-QUESTION BANK
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  2. Three vector vecA,vecB and vecC add up to zero. Find which is false ?

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  3. It is found that abs(vecA+vecB)=absvecA. This necessarily implies : v...

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  4. It is found that abs(vecA+vecB)=absvecA. This necessarily implies : v...

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  5. It is found that abs(vecA+vecB)=absvecA. This necessarily implies : v...

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  6. It is found that abs(vecA+vecB)=absvecA. This necessarily implies : v...

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  7. If force F varies with displacement x as F=3x^2+4. The rate of change ...

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  8. If velocity v depends on time t as v=-t^2+3t+1 (where is in second). A...

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  9. If the volume of sphere increases at constant rate Q,then the surface ...

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  10. If the current I in resistor R varies with time t as I= a sin t (where...

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  11. The magnitude of vectors vecA,vecB and vecC are respectively 12,5 and ...

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  12. A particle is moving in a circle of radius r centre at O with constant...

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  13. Two vector vecA=2hati+3hatj-4hatk and vecB=4hati+8hatj+xhatk are such ...

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  14. A vector is not changed if :

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  15. What is the angle between vectorP and the cross product of (vecP+vecQ)...

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  16. A vector is turned without a change in its length through a small angl...

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  17. What is the angle between vecP and the resultant of (vecP+vecQ) and (v...

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  18. The sum of the magnitudes of two forces acting at point is 18 and the ...

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  19. vecA=2hati+hatj, vecB=2hatj-hatk and vecC=6hati-2hatk. Value of vecA-2...

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  20. The angle between veca and vecb is 0^@ then angle between 2veca and -3...

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