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The greatest and least resultant of two forces acting at a point is `10N` and `6N`,respectively. If each force is increased by `3N`, find the resultant of new forces when acting at a point at an angle of `90^(@)` with each other .

A

`sqrt(146)N`

B

11N

C

`sqrt(70)N`

D

8N

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The correct Answer is:
A
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