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Forces of magnitudes 5 and 3 units acti...

Forces of magnitudes 5 and 3 units acting in the directions ` 6hati + 2hatj + 3hatk and 3 hati - 2hatj +6hatk` respectively act on a particle which is displaced from the point ( 2,2,-1) to ( 4,3,1) . The work done by the forces, is

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forces of magnitudes 5,3,1 units acting in the direction 6hati+2hatj+3hatk,3hati-2hatj+6hatk,2hati-3hatj-6hatk respectively act on a particle, which is displaced from the point (2,-1,-3) to (5,-1,1). Find the work done by the forces.

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MODERN PUBLICATION-VECTORS-Exercise
  1. A particle acted by constant forces 4 hat i+ hat j-3 hat k and 3 hat...

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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  18. If veca=hati-2hatj+3hatk and vecb=2hati+3hatj-5hatk, find vecaxxvecb a...

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  19. If veca=hati-2hatj+3hatk and vecb=2hati+3hatj-5hatk, find vecaxxvecb a...

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  20. Find a unit vector perpendicular to the plane containing the vectors :...

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