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The greater and least resultant of two forces are 7 N and 3 N respectively. If each of the force is increased by 3N and applied at 60°. The magnitude of the resultant is

A

7 N

B

3 N

C

10 N

D

`sqrt(129)N`

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The correct Answer is:
D
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AAKASH SERIES-MOTION IN A PLANE-EXERCISE-2 (Addition, Subtraction and Resolution)
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  7. Maximum and minimum magnitudes of the resultant of two vectors of magn...

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  8. The resultant of two equal forces is 141.4N when they are mutually per...

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  9. The magnitudes of two vectors vecP and vecQ differ by 1. The magnitud...

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  10. Which of the following statement is incorrect

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  11. The resultant of two forces 2P and sqrt(2)P is sqrt(10)P The angle bet...

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  12. Eleven forces each equal to 5N act on a particle simultaneously. If ea...

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  13. Which of the following sets of forces acting simultaneously on a parti...

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  14. The resultant of two forces 1 and P is perpendicular to ' 1' and equal...

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  15. If the difference of two unit vectors is also a vector of unit magnitu...

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  16. If vecP + vecQ = vecR and vecP - vecQ = vecS , then R^(2) + S^(2) is ...

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  17. The greater and least resultant of two forces are 7 N and 3 N respecti...

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  18. Two forces are such that the sum of their magnitudes is 18 N, the resu...

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  19. Figure shows three vectors veca, vecb and vecc where R is the midpoi...

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  20. The resultant of two vectors vec(P) and vec(Q) is vec(R). If vec(Q) is...

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