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If the resultant of three forces vec ...

If the resultant of three forces ` vec F_1=p hat i+3 hat j- hat k , vec F_2=6 hat i- hat k and vec F_3=-5 hat i+ hat j+2 hat k` acting on a parricle has magnitude equal to 5 units, then the value of `p` is a. `-6` b. `-4` c. `2` d. `4`

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CENGAGE PUBLICATION-VECTOR ALGEBRA-All Questions
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  2. Let vec a , vec b and vec c be unit vectors such that vec a+ vec b- ...

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  3. If the resultant of three forces vec F1=p hat i+3 hat j- hat k , ve...

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  4. Let vec a , vec b , vec c , vec d be the position vectors of the four...

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  5. Statement 1:Let A( vec a),B( vec b)a n dC( vec c) be three points such...

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  6. Statement 1: If | vec a+ vec b|=| vec a- vec b|, then vec a and vec b ...

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  7. Statement 1: vec a=3 vec i+p vec j+3 vec k and vec b=2 vec i+3 vec j...

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  8. The position vectors of the vertices A ,Ba n dC of a triangle are th...

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  9. If | vec a|=| vec b|=| vec a+ vec b|=1, then find the value of | vec a...

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  10. Column I, Column II Collinear vectors, p. vec a Coinitial vec...

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  11. Statement 1: | vec a|=3,| vec b|= 4 a n d | vec a+ vec b|=5,t h e n| ...

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  12. A man travelling towards east at 8km/h finds that the wind seems to...

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  13. OABCDE is a regular hexagon of side 2 units in the XY-plane in the ...

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  14. If vec a=7 hat i-4 hat j-4 hat k and vec b=-2 hat i- hat j+2 hat k , ...

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  15. Find a unit vector vec c if vec -i+vec j-vec k bisects the angle betw...

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  16. The vectors 2 hat i+3 hat j ,5 hat i+6 hat j and 8 hat i+lambda hat j ...

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  17. If vec a , vec b and vec c are three non-zero vectors, no two of whic...

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  18. Check whether the given three vectors are coplanar or non-coplanar. -2...

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  19. Prove that the four points 6 hat i-7 hat j ,16 hat i-19 hat j-4 hat k ...

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  20. Show, by vector methods, that the angularbisectors of a triangle are c...

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