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Two forces vecF(1) and vecF(2) are actin...

Two forces `vecF_(1) and vecF_(2)` are acting at right angles to each other, find their resultant ?

A

`sqrt(F_(1)^(2)+F_(2)^(2))`

B

`sqrt(F_(1)^(2)-F_(2)^(2))`

C

`F_(1)+F_(2)`

D

`F_(1)-F_(2)`

Text Solution

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The correct Answer is:
A
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MOTION-VECTOR -Exercise - 1
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  14. Two constant forces F(1)=2hati-3hatj+3hatk(N) and F(2)=hati+hatj-2hatk...

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  15. The two vectors A=2hati+hatj+3hatk and B=7hati-5hatj-3hatk are -

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  16. The angle made by the vector vecA=2hati+3hatj with Y-axis is

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  17. A vector perpendicular to (4hati+3hatj) is -

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  18. The vectors P = 2hati+b hatj+2hatk and Q=hati+hatj+hatk will be perpen...

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  19. A vector vecA points vertically upward and vecB points towards north. ...

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