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Find the work done in moving an object along the vector `vecd=3hati+2hatj-5hatk`. If the applied force in `vecF=2hati-hatj-hatk`.

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The projection of the vector veca=2hati+3hatj+2hatk on the vector vecb=hati+2hatj+hatk is :

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MODERN PUBLICATION-VECTORS-Exercise
  1. In each problem, find the work done by a force vecF acting on a partic...

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  2. Find the work done by the force vecF=hati+2hatj+hatk acting on a parti...

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  3. Find the work done in moving an object along the vector vecd=3hati+2ha...

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  4. A particle acted by constant forces 4 hat i+ hat j-3 hat k and 3 hat...

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  5. Constant forces 2hati-5hatj+6hatk and hati+2hatj-hatk act on a particl...

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  6. Forces of magnitudes 5 and 3 units acting in the directions 6hati + ...

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  7. Which is greater: 45 kg or 4500 g?

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  8. Find vecaxxvecb, if : veca=-hati+3hatk and vecb=hati+3hatj-2hatk.

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  9. Find vecaxxvecb, if : veca=hati-3hatj+4hatk and vecb=2hati+hatj+hatk.

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  10. The value of : hati*(hatjxxhatk)+hatj*(hatkxxhati)+hatk*(hatjxxhati) i...

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  11. The value of : hati*(hatjxxhatk)+hatj*(hatixxhatk)+hatk*(hatixxhatj) i...

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  12. Find the value of 'p' is : (2hati+6hatj+27hatk)xx(hati+3hatj+phatk)=ve...

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  13. If veca=hati-hatj+2hatk and vecb=2hati+hatj-hatk, find : (2veca-vecb)x...

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  14. Find vecaxxvecb, if veca=2hati+hatj+3hatk and vecb=3hati+5hatj-2hatk

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  15. If veca=4hati+3hatj+hatk and vecb=hati-2hatk, then find |2vecbxxveca|.

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  16. Find the magnitude of the vector vecaxxvecb id : veca=2hati+hatj+hatk ...

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  17. Find the magnitude of the vector vecaxxvecb if : veca=2hati+hatk and v...

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  18. Let the vectors veca,vecb,vecc be given as : a1hati+a2hatj+a3hatk,b1ha...

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  19. Prove that vecaxxvecb ne vecb xx veca if : veca=2hati-3hatj-hatk and v...

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  20. Find a vector perpendicular to both : veca=3hati-2hatj+hatk and vecb=h...

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