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Two forces one of 12N and another of 24N act on abody in such a wey that the make an angel of 90° with each other find the resultant of the two forces

Two forces one of 12N and another of 24N act on abody in such a wey that the make an angel of 90° with each other find the resultant of the two forces

Grade:9

1 Answers

yogesh manivannan
23 Points
2 months ago
Resultant of two vectors r=[a2+ b2+ 2abcostheta]1/2
where a,b: magnitude of vectors , theta: angle between the vectors
Here , resultant r=[122 + 242 + 2(12)(24)cos90 ]½
                               = (144+576+0)1/2
                               = 7201/2
                                     
=26.833
Ans = 26.833    
 

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