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Physics 20 Online
OpenStudy (anonymous):

Find the magnitude in unit vector notation of the resultant of the two forces shown.

OpenStudy (anonymous):

OpenStudy (anonymous):

If you have two vectors A, B, with C=A+B then the magnitude is C=sqrt(A^2+B^2), now if you need a unit vector ^C=C/mod(C). I hope that helps.

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