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vceAandvecB are two vectors, if vecAandv...

`vceAandvecB` are two vectors, if `vecAandvecB` are perpendicular to each other

A

`barAxxbarB=0`

B

`barAxxbarB=1`

C

`barA.barB=0`

D

`barAxxbarB=AB`

Text Solution

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The correct Answer is:
A, B
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FULL MARKS-KINEMATICS-ADDITIONAL QUESTIONS SOLVED (I.MULTIPLE CHOICE)
  1. If vecP-vecQ then which of the following is incorrect?

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  2. The momentum of a particle is vecP=costhetahati+sinthetahatj. The angl...

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  3. vceAandvecB are two vectors, if vecAandvecB are perpendicular to each ...

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  4. The angle between two vectors -3hati+6hatkand2hati+3hatj+hatk is

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  5. The radius vector is 2hati+hatj+hatk while linear momentum is 2hati+3h...

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  6. Which of the following cannot be a resultant of two vectors of magnitu...

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  7. Twelve forces each of magnitude 10N acting on a body at an angle of 30...

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  8. Two forces are in the ratio of 3:4. The maximum and minimum of their r...

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  9. If |vecP+vecQ|=|vecP|+|vecQ|. The angle between the vectors vecPandvec...

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  10. If |vecP+vecQ|=|vecP|-|vecQ|, the the angle between the vectors vecPan...

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  11. If |vecPxxvecQ|=|vecP.vecQ| then angle between Pand will be

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  12. If |vecP+vecQ|=|vecP|-|vecQ|, the the angle between the vectors vecPan...

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  13. If vecAandvecB are the sides of triangle, then area of triangle

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  14. A particle moves in a circular path of radius 2 cm. If a particle comp...

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  15. If vecr(1)andvecr(2) are position vectors, then the displacement vecto...

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  16. The ratio of the displacement vector to the corresponding time interva...

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  17. The ratio of total path length travelled by the particle in a time int...

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  18. The product of mass and velocity of a particle is

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  19. The area under the force, displacement curve is

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  20. The area under the force, time graph is

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