Two vectors A and B are inclined to each other at an angle Q . Using triangle law of vector addition , find the magnitude of their resultant .

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Solution

$D e a r S t u d e n t A s p e r t r i a n g l e l a w, t h e m a g n i t u d e o f v e c t o r s u m i s V = \sqrt{A^{2} + B^{2} + 2 A B \cos Q} R e g a r d s$

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Two vectors A and B are inclined to each other at an angle Q . Using triangle law of vector addition , find the magnitude of their resultant .

Dear StudentAs per triangle law,the magnitudeof vector sum isV=A2+B2+2ABcosQRegards

$D e a r S t u d e n t A s p e r t r i a n g l e l a w, t h e m a g n i t u d e o f v e c t o r s u m i s V = \sqrt{A^{2} + B^{2} + 2 A B \cos Q} R e g a r d s$