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If veca = 5hati-hatj-3hatk, vecb = hati+...

If `veca = 5hati-hatj-3hatk, vecb = hati+3hatj-5hatk` then show that the vectors `veca+vecb&veca-vecb` are perpendicular

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If veca=5hati-hatj-3hatk and vecb=hati+3hatj-5hatk , then show that the vectors veca+vecb and veca-vecb are perpendicular.

If veca=5hati-hatj+3hatk and vecb=hati+3hatj-5hatk then show that the vectors veca+vecb and veca-vecb are perpendicular.

If veca=hati+2hatj-3hatk and vecb=3hati+hatj+2hatk show that the vectors veca+vecb and veca-vecb are perpendicular to other.

If veca = 2hati -3hatk and vecb =hati + 4hatj -2hatk " then " veca xx vecb is

If a=4hati+2hatj-hatk and vecb=5hati+2hatj-3hatk find the angle between the vectors veca+vecb and veca-vecb

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If veca=hati-2hatj+3hatk and vecb=2hati+3hatj-5hatk then find vecaxxvecb and verify that vecaxxvecb is perpendicular to each one of veca and vecb .

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MAHAVEER PUBLICATION-VECTOR-QUESTION BANK
  1. Find the angle between the vectors hati-2hatj+3hatk and 3hati-2hatj+ha...

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  2. Show that the vectors 1/7(2hati+3hatj+6hatk), 1/7 (3hati-6hatj+2hatk) ...

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  3. If veca = 5hati-hatj-3hatk, vecb = hati+3hatj-5hatk then show that the...

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  4. If veca = 2hati+2hatj+3hatk, vecb = -hati+2hatj+hatk and vecc = 3hati...

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  5. Find x,y,z if hati+hatj+2hatk, -hati+zhatk and 2hati+xhatj+yhatk are m...

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  6. Find a vector and unit vector perpendicular to each of the vector veca...

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  7. Find a vector of magnitude 11 in the direction opposite to that of vec...

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  8. If the points (-1,-1,2) ,(2,m,5) and (3,11,6) are co-linear then find ...

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  9. Calculate the work done if a sled is pulled forward 50m along a fricti...

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  10. It takes 12000J of work to pull a sled 200m with a 120N force. Determi...

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  11. Calculate the work done by a force F = -5hati+hatj+7hatk N when its p...

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  12. A bolt is tightened using a 20N force, applied at an angle of 30^@ to ...

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  13. A bicycle pedal, 20 cm in length, has a 50N force applied to it at an ...

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  14. Which of the following is a vector quantity ?

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  15. You are given a displacement vector of 5 cm due east. Show by a diagra...

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  16. Represent graphically a force 60N is a direction 60^@ west of north.

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  17. Represent graphically a force 100N is a direction 45^@ west of north.

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  18. The quantity which has only magnitude is called

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  19. Force is a vector quantity. True or false ?

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  20. What is the magnitude of a unit vector?

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