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If G is the centroid of DeltaABC then ba...

If G is the centroid of `DeltaABC` then `bar(GA)+bar(GB)+bar(GC)=`

A

`bar(0)`

B

`bar(OG)`

C

`2bar(OG)`

D

`3bar(OG)`

Text Solution

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The correct Answer is:
A
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AAKASH SERIES-PROPERTIES OF VECTORS-PRACTICE EXERCISES
  1. The P.V.'s of A, B, C are bar(i)+bar(j)+bar(k), 4bar(i)+bar(j)+bar(k),...

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  2. In a DeltaABC, P.V.'s of A, mid-point of BC are bar(i)+2bar(j)+3bar(k)...

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  3. If G is the centroid of DeltaABC then bar(GA)+bar(GB)+bar(GC)=

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  4. If G is the centroid of Delta ABC, G' is the centroid of Delta A' B' C...

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  5. If D, E are the midpoints of AB, AC of Delta ABC, then vec(B)E + vec(D...

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  6. If D is the midpoint of the side BC of a triangle ABC then bar(AB)^(2)...

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  7. Find the area of the parallelogram whose adjacent sides are bar(a) = 2...

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  8. If the diagonals of a parallelogram are bar(i)+5bar(j)-2bar(k) and -2b...

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  9. Let bar(a), bar(b), bar(c), bar(d) be the position vectors of A, B, C ...

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  10. If bar(a), bar(b) represent bar(AB), bar(BC) respectively of a regular...

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  11. When a right handed rectangular cartesian system oxyz is rotated about...

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  12. The P.V.'s of A, B are bar(a), bar(b) respectively. The P.V. of 'C' is...

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  13. The P.V.'s of A, B are bar(a), bar(b) respectively. The P.V. of 'C' is...

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  14. The vector equation to the line through the point (2, 3, 1) and parall...

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  15. Find the vector equation of the line passing through the points 2bar(i...

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  16. Cartesian equation of the line passing through the points bar(a)=2bar(...

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  17. The cartesian equation of the line passing through the points bar(a)=(...

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  18. Find the vector equation of the line passing through the points bar(i)...

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  19. The vector equation of the plane passing through the point 2bar(i)+2ba...

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  20. The vector equation of the plane passing through the origin and the po...

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